| aa || Aburatsubo, Japan
|-
| ab = || Accra, Ghana
| ac = || Aden Mean Sea Level
| ad = || Aden Tidal Observatory
| ae = || Adjusted MSL 1891, Denmark
| af = || Admiralty Datum, Australia
| ag = || Aitutaki, Cook Islands
| ah = || Al Faw (Fao), Iraq
| aj = || Alexandria, Egypt
| ak = || Alicante, 1870-72, Spain
| al = || Almirante, Panama
| am = || Amherst Tidal Observatory, Burma<br />''Amsterdam'' див. Normal Amsterdam Piel [NAP]('''kr''')
| an = || Anhwei Assumed, China
| ao = || Antalya, Turkey
| ap = || Antofagasta, Chile<br /> Apollo 15 datum use '''rf'''
| aq = || Approximate Kronstadt
| ar = || Apra Harbor, Guam, Mariana Islands
| as = || Aquaba, Jordan
| at = || Africa (Chile), Bolivia
| ba = || Arica, Chile
| bb = || Assab, Ethiopia
| bc = || Auckland 1946, New Zealand
| bd = || Australian Capital Territory Datum Australia
| be = || Balboa (Canal), Panama
| bf = || Banana, Zaire
| bg = || Bangkok RR Station, Thailand
| bh = || Barahona, Dominican Republic
| bi = || Beira, Rhodesia
| bj = || Beirut, Lebanon
| bk = || Belfast, Ireland
| bl = || Belize, British Honduras
| bm = || Bench Mark 1 MSL (1949), Mariana Islands
| bn = || Bench Mark 4 MSL, Mariana Islands
| bo = || Berlin, Germany
| bp = || Biloxi, Mississippi, USA
| bq = || Bluff, 1955, New Zealand
| br = || Bluff, 1960, New Zealand
| bs = || Brisbane MSL, Queensland, Australia
| bt = || Broome Jetty MSL, Western Australia
| ca = || Brussels, Belgium
| cb = || Buenaventura, Colombia
| cc = || Burnie, Tasmania
| cd = || Byrd Station, Antarctica
| ce = || Cagliari 1956, Sardinia
| cf = || Cairo, Illinois, USA
| cg = || Callao, Peru
| ch = || Camarta BM, Nicobar Island
| ci = || Cape Town, South Africa
| cj = || Cape York MSL, Queensland, Australia
| ck = || Cartagena (Atlantic Coast), Colombia
| cl = || Casablanca 1922, Morocco
| cm = || Cascais 1881-1938, Portugal
| cn = || Chekiang Assumed, China
| co = || Chen-chiang Customs, China
| cp = || Chih-huang Tao, China
| cq = || Chihli River Commission, China
| cr = || Chi-lung (Kirun), Taiwan
| cs = || Ching Tao MSL, China
''Chingkiang Customs Zero Gauge'' див. Chen-chiang Customs (co)
| da = || Coatzacoalcos, Mexico
| db = || Colombo 1884-90, Ceylon
| dc = || Conakry, Guinea-Bissau
| dd = || Constanta, Rumania
| de = || Cooktown MSL, Queensland, Australia
| df = || Cristobal (Canal), Panama
''Dairen MSL'' див. Ta-lien (pn)
| dh = || Dakar, Senegal
| di = || Dansk N.N., Denmark
| dj = || Darwin MSL, Northern Territory, Australia
| dk = || Darwin Town Datum, Northern Territory, Australia
| dl = || Davao Wharf Tide Staff, Mindanao, Philippines
| dm = || Denison MSL, Western Australia
| dn = || Darby MSL, Western Australia
| do = || Devonport MSL, Tasmania
| dp = || Diego Garcia, Chagos Archipelago
| dq = || Disko Bugt, Greenland
| dr = || Djakarta, Java, Indonesia
| ds = || Dublin Bay, Ireland
| dt = || Dunedin 1958, New Zealand
| ea = || Durres, Albania
| eb = || Eden Tide Gauge, New South Wales, Australia
| ec = || Ensenada, Baja California, Mexico
| ed = || Errits, Denmark
| ee = || Federal Datum, Rhodesia
| ef = || Freetown, Sierra Leone
| eg = || Fremantle MSL, Western Australia
| eh = || Fukien Assumed, China
General Levelling, France use rg
| ei = || Genoa 1942, Italy
| ej = || Ginara, Punta Colombo, Cuba
| ek = || Golfito, Costa Rica
| el = || Ha Tien MSL, Vietnam
| em = || Haifa, Israel
| en = || Hai-lo Conservancy Commission, China
| eo = || Havana, Cuba
| ep = || Helsinki, Finland
| eq = || Hobart MSL, Tasmania
| er = || Hobson Bay LWM, Victoria, Australia
| es = || Honan Assumed, China
| et = || Honolulu, Hawaiian Islands
| fa = || Honto MSL, Sakhalin, USSR
| fb = || Haui River Commission, China
| fc = || Hunan Assumed, China
| fd = || Hupeh Assumed, China
| fe = || Ilha e Naos, Panama
| ff = || Illigan Harbour Tide Staff, Mindanao, Philippines
| fg = || Imbituba, Brazil
| fh = || Inch'on Provisional, Korea (South)
| fi = || Indian MSL, India
| fj = || Indian Spring Low Water
| fk = || International Great Lakes Datum 1935, Canada
| fl = || International Great Lakes Datum 1955, USA
| fm = || Ireland I. Dockyard, Bermuda Islands
| fn = || Irish Ordnance Datum (poolbeg), Ireland
| fo = || Isla de Pinos, Cuba
| fp = || Isle of Man Ordnances Datum, Great Britain
| fq = || Israel Land Survey Datum, Jaffa, Israel
| fr = || Jaffa, Israel
| fs = || Jehol Assumed, China
| ft = || K'an-men MSL, China
| ga = || Kavála, Greece
| gb = || Kiangsi Assumed, China
| gc = || Kiangsu Assumed, China
| gd = || Kiaochow Tsinan RR, China
| ge = || Kirin, China
| gf = || Klaipeda (Memel), Lithuania
| gg = || Ko Lak MSL, Thailand
| gh = || Kribi, Cameroon
| gi = || Kronshtadt (1840), USSR
| gj = || Kuala Trengganu MSL, Malaysia (West)
| gk = || Kwangsi Assumed, China
| gl = || Kwangtung Assumed, China
| gm = || Kweichow Assumed, China
| gn = || La Goulette, (Tunisia), Algeria
| go = || La Goulette, Tunisia
| gp = || La Guaira, Venezuela
| gq = || La Libertad, Ecuador
| gr = || La Libertad, El Salvador
| gs = || La Union (Cutuco), El Salvador
| gt = || Lagos, Nigeria
| ha = || Land Survey, Antarctica
| hb = || Launceston City Council Datum, Tasmania
| hc = || Lien-yun Chiang MSL, China
| hd = || Lisov, Czechoslovakia
''Liverpool'' див. Ordnance Datum, (Liverpool) (lf)
| hh = || Lo-hsing-t'a Zero Point, China
| hi = || Lombrum, Manus Island, Admiralty Islands
| hj = || Lome, Togo
| hk = || Low Island, Great Barrier Reef
| hl = || Low Water Ordinary Spring Tide, Wyndham, Western Australiahm = Luanda, Angola
| hn = || Lyttleton 1938, New Zealand
| ho = || Makassar, Sulawesi, Indonesia
|| hp = Mako Harbor, Pescadores
| hq = || Malin Head, Ireland
| hr = || Manila Bay MSL, Philippines
| hs = || Mar del Plata, Argentina
| ht = || Marseille 1885-96, France
| ja = || Matarani, Peru
| jb = || Matavi, Tahiti, Society Islands
| jc = || Maura Tide Gauge, Malaysia (East)
| jd = || Mawson Tide Guage, Antarctica
j = Mayaguez, Puerto Rico
| jf = || Mazatlan, Mexico
| jg = || Mediterranean, Italy (old-net)
| jh = || Mean Gulf Level, USA
| ji = || Mean High Water Sea, Antarctica
| jl = || Mean Sea Level Manifa Pier, Saudi Arabia
| jm = || Memphis, Tennessee, USA
| jn = || Mina Construction Datum, Kuwait
| jo = || Mocamedes, Angola
''Molo Sartorio'' див. Trieste, 1875 (qj)
| jp = || Mombasa, Kenya
| jq = || Monrovia, Liberia
| jr = || Montevideo, Uruguay
Mösting 'a' 1960 use rh
| js = || Moturiki 1953, New Zealand
| jt = || MSL Adjustment 1927, Alaska
| ka = || MSL Adjustment 1935, Canadian Geodetic Datum
| kb = || MSL Adjustment 1958, Cuba
| kc = || MSL Adjustment 1959, Mexico and Panama
| kd = || MSL Adjustment 1960, Mexico, Central America and Colombia
| ke = || MSL Adjustment 1961, Haiti
| kf = || MSL Adjustment 1962, Chile
| kg = || MSL Adjustment 1964, Jamaica
| kh = || MSL Adjustment 1966, Ecuador and Peru
| ki = || NADAP I, Hungary
| kj = || NADAP II, Hungary
| kk = || Naha BM, Ryukyu Islands
| kl = || Narvik, Norway
| km = || Nelson 1955, New Zealand
| kn = || Nevelsk (Honto), Sakhalin
''Newlyn'' див. Ordnance Datum (Newlyn) (lg)
| ko = || NM/S/G, Antarctica
| kp = || Nord Norges Normal Null(NNN), Norway
| kq = || Norges Normal Null, Norway
| kr = || Normal Amsterdams Piel (NAP), Netherlands
| ks = || Normal Null (NN), Germany
| kt = || Normalhoehen (NH) System 1960. East Germany
| la = || Noumea MSL, New Caledonia
| lb = || N.S.P. 1958, Surinam
| lc = || Okinawa Level, Ryukyu Islands
| ld = || Old Huang-ho-Zero Pt. China
| le = || Ordnance Datum (Lerwick), Shetland Islands, Great Britain
| lf = || Ordnance Datum (Liverpool), Great Britain
| lg = || Ordnance Datum (Newlyn), 1921 Great Britain
| lh = || Ordnance Datum (Stornoway), Outer Hebrides, Great Britain
| li = || Ostende, Belgium
| lj = || Pafos, Cyprus
| lk = || Perth Headland Jetty, Western Australia
| ll = || Pierre du Niton, Geneva, Switzerland
| lm = || Pimba Railway Datum, South Australia
| ln = || Point Fouillole, Guadeloupe
| lo = || Point Lonsdale, Victoria, Australial
p = Point Noire, Congo (Brazzaville)
| lq = || Pont de Capitainerie de le Ville, São Tomé Island
| lr = || Port Adelaide MSL, South Australia
| ls = || Port au Prince, Haiti
| lt = || Port aux Basques, Newfoundland
| ma = || Port-aux-Français, Kerguelen Is
| mb = || Port Dickson, Malaysia (West)
| mc = || Port Moresby, Papua
| md = || Port of Spain, Trinidad
| me = || Port Royal, Jamaica
| mf = || Port Swettenham MSL, Malaysia (West)
| mg = || Port Waikato 1954, New Zealand
| mh = || Port Weld MSL, Malaysia (West)
| mi = || Port Welshpool, Victoria, Australia
| mj = || Portland MSL, Victoria, Australia
| mk = || Principal Datum, Hong Kong
| ml = || Puerto Armuelles, Panama
| mm = || Puerto Cortés 1948-51, Honduras
| mn = || Puerto de Cristobal, Panama
| mo = || Puerto Limón, Costa Rica
| mp = || Puerto Montt, Chile
| mq = || Puerto Plata, Dominican Republic
| mr = || Puerto Puntarenas, Costa Rica
| ms = || Pulau Lakei, Malaysia
| mt = || Punta Arenas, Chile
| na = || Punta Penasco, Mexico
| nb = || Queensland State Datum, Australia
| nc = || Reykjavik, Iceland
| nd = || San Jose, Guatemala
| ne = || San Juan del Sur, Nicaragua
| nf = || Sandy Hook, New Jersey, USA
| ng = || Santo Antonio 1916, Principe
| nh = || Santo Domingo, Dominican Republic
| ni = || Sea Ice, Antarctica
| nj = || Sea Level Datum, 1912, USA
| nk = || Sea Level Datum, 1929, USA
| nl = || Sea Level, Bonin Island
| nm = || Seoul, S Korea
| nn = || Seward-Veldez MSL, Alaska
| no = || Shanghai Customs, China
| np = || Shanghai-Nanking RR, China
| nq = || Shansi Assumed, China
| nr = || Shantung Assumed, China
| ns = || Shensi Assumed, China
| nt = || Singkiang Assumed, China
| pa = || Shun-ch'in Water Conservancy Bureau, China
| pb = || Split, Yugoslavia
| pc = || Station R, Ille du Maregraphe, Terre Adélie, Antarctica
| pd = || St James, Barbados
| pe = || St John, New Brunswick, Canada
| pf = || Stockholm, Sweden
| pg = || Sydney Datum MSL, New South Wales, Australia
| ph = || Sydney Standard, New South Wales, Australia
| pi = || Szechwan Assumed, China
| pj = || Tacloban Tide Staff, Leyte, Philippines
| pk = || Ta-Ku MSL, China
| pl = || Ta-ku Zero Point, China
| pm = || Talara, Peru
| pn = || Ta-lien, China
| po = || Tallin (Reval), Estonia
| pp = || Tamatave, Malagasy Republic
| pq = || Tampico, Mexico
| pr = || Tandjungpriak TG, Java, Indonesia
| ps = || Tanga, Tanzania
| pt = || Tararu, New Zealand
| qa = || Thessaloniki, Greece
| qb = || Tibe Gauge Observatory, Port Blair, Andaman Islands
| qc = || Tokyo, Japan
| qd = || Topoplobampo, Mexico
| qe = || Torres (Brazil), Paraquay
| qf = || Torres, Brazil
| qg = || Torun, Poland
| qh = || Townsville, Queensland, Australia
| qi = || Tregde, Norway
| qj = || Trieste 1875 (Italy) Austria, Czechoslovakia, Hungary and Yugoslavia
| qk = || Tripoli, Libya
''Tsingtao 1956, China'' див. Ching Tao MSL (cs)
| qm = || Unahi Road, New Zealand
| qn = || Valparaiso, Chile
| qo = || Varna, Bulgaria
| qp = || Vladivostok, USSR
| qq = || Walvis Bay, Southwest Africa
| qr = || Wanganui, New Zealand
| qs = || Wangpoo Conservancy Board, China
| qt = || Wellington 1953, New Zealand
| ra = || Williamstown LWM, Victoria, Australia
| rb = || Wonsan (Genzan), Korea
| rc = || Wu-sung MSL, China
| rd = || Wu-sung Zero Point, China
| re = || Yunnan Assumed, China
| rf = || Apollo 15 Datum, Moon
| rg = || General levelling, France
| rh = || Mosting "A" 1960, Moon
|}