| CD | Dates | Nom | Prénom | Sexe | Nation |
|---|---|---|---|---|---|
| 1830-1903 | Oakeley | Herbert Stanley | M | GB | |
| 1841- | Oakey | George | M | GB | |
| 1893- | Oancea | Nicolea | F | ||
| 1075-1125 | Obadiah = Ovadiah = Johannes | "Le prosélyte" = Ha ger = "de Oppido" | M | IT | |
| 1926- | Ober | Hermann | M | ||
| 1900-1975 | Oberborbeck | Felix | M | ||
| 1951- | Oberbrandacher | Walter | M | ||
| 1944- | Oberdörffer | Manfred | M | ||
| 1824-1885 | Oberhoffer | Heinrich | M | ||
| 1892- | Oberhoffer | Engelbert | M | ||
| 1962- | Oberländer | Bernhard | M | ||
| DAC 433 + | 1786-18?? | Oberleitner | Andreas | M | |
| 1924- | Obermaier | Ludwig | M | ||
| 1943- | Obermayer | Klaus | M | ||
| 1876-1951 | Obermayer | Johann K. | M | ||
| 1927- | Oberpointner = Wrisch | F. | |||
| 1915- | Oberst | Fritz | M | ||
| 1871-1940 | Oberstadt | Karl | M | NL | |
| 1824-1896 | Obersteiner | Johann | M | ||
| 1819-1895 | Oberthur | Karl | M | DE | |
| 1938- | Obispo | Fabian | M | ||
| 1930- | Obit = Vyhnalek | Jon E. | M | ||
| 1611-16?? | Obizzi | Domenico | M | IT | |
| 1915- | Oborny | Vaclav | M | ||
| 1892-1954 | Obouhov = Obuchow | Nicolas | M | RU>>FR | |
| 1900-1957 | Oboussier | Robert | M | BE>>CH | |
| 1963- | O'Boyle | Sean Michael | M | AT | |
| 1897-1945 | Obradors | Fernando | M | ES | |
| 1927- | Obradovic | Alexander | M | YU | |
| Naxos 553 210 | 1451-1505 | Obrecht | Jacob | M | NL>>IT |
| 1909-1955 | Obretenov | Svetoslav | M | ||
| 1870-1948 | O'Brien | Vincent | M | ||
| 1962- | Obrovac | Tamara | F | YU | |
| 1930-1987 | Obrovska | Jana | F | CZ | |
| 1872-1934 | Obsner | Georg E. | M | ||
| 1927- | Obst | Günther | M | ||
| Adès 465306 | 1955- | Obst | Michael | M | DE |
| Mandala 4966 | 1670-1738 | O'Carolan = Carolan | Turlough = Terence | M | IE |
| 1911- | Ocenas | Andrej | M | ||
| Ochi | Yoshiaki | M | JP | ||
| 1968- | Ochoa | Pedro | M | AR | |
| 1946-1994 | Ochoa Castanos | Maria Amparo | M | MX | |
| 1854-1919 | Ochs | Traugott | M | ||
| 1897-1951 | Ochs | Rudolf | M | ||
| 1858-1929 | Ochs | Siegfried | M | DE | |
| 1929- | Ochs | Volker | M | DE | |
| 1962- | Ochs | Jörg | M | ||
| 1903-1977 | Ochs | Gerd | M | ||
| 1934-1995 | Ochs | Klaus | M | ||
| 1899- | Ochs | Werner | M | ||
| CHR 772327 + | 1521-1574 | Ochsenkun | Sebastian | M | DE |
| HM 01 441 | 1410-1497 | Ockeghem | Johannes | M | BE>>FR |
| 1937- | Ockenfels | Helmut | M | ||
| GCD 2K0501 + | 1833-1901 | Ocon Rivas | Eduardo | M | ES |
| Sony 89683 | 1961- | O'Connor | Mark | M | US |
| 1937- | Odagescu | Irina | F | RO | |
| Odaira | Koichi | M | JP | ||
| 1888-1965 | Odak | Krsto | M | HR | |
| Odaka | Atsutada | M | JP | ||
| Oddsson | Hilmar | M | IS | ||
| 1903- | Odenthal | Adolf | M | ||
| 1865- | Odenwald | Felix | M | ||
| 1833-1899 | Odenwald | Karl Theodor | M | ||
| 1838-1899 | Odenwald | Robert Theodor | M | ||
| 1952- | Odland | Bruce | M | US | |
| 1961- | O'Dowd | George Alan | M | ||
| 1930-1997 | Odstrcil | Karel | M | CZ | |
| 1850-1917 | Oechsler = Öchsler | Elias | M | ||
| WER 6534 | 1961- | Oehring | Helmut | M | BE |
| 1932- | Oehrwall = Öhrwall | Anders | M | ||
| 1824-1886 | Oelander = Ölander | Per August | M | ||
| 1827-1889 | Oertl | Ivan | M | CZ | |
| 1833-1909 | Oertling | Julius | M | ||
| 1910-1992 | Oertzen | Rudolf von | M | ||
| 1865-1930 | Oeser | August | M | ||
| 1843-1917 | Oesten | Max | M | ||
| 1843-1917 | Oesten = Östen | Otto Max | M | ||
| 1968- | Oesterle | Michael | M | DE>>CA | |
| 1664-1735 | Oesterreich | Georg | M | ||
| 1906- | Oesterreicher | Wilhelm | M | ||
| 1563-1621 | Oesterreicher | Georg | M | ||
| MDG 605 1029 | 1800-1840 | Oestreich | Carl | M | DE |
| 1874- | Oetiker | August | M | ||
| 1921-2001 | O'Farrill | Arturo "Chico" | M | CU>>US | |
| Koch 318632 + | Offenbach = Eberst | Isaac | M | ||
| Dynamic S 173 | 1819-1880 | Offenbach = Eberst | Jacques = Jacob | M | FR |
| 1883-1942 | Offermann | Franz | M | ||
| Gallo 712 | 1960- | Offermans | Wil | M | NL |
| 1945- | O'Flynn | Liam | M | IE | |
| 1930- | Oganessyan | Edgar | M | ||
| Ogawa | Hirooki | JP | |||
| Digi 9810037 | 1954- | Ogden | Nigel | M | GB |
| CHAN 9780 | Ogden | Craig | |||
| 1937-1989 | Ogdon | John Andrew Howard | M | GB | |
| Acanta 43579 | 1930- | Ogermann | Claus | M | DE>>US |
| 1967- | Ogiermann | Christoph | M | DE | |
| 1891-1931 | Ogihara | Toshitsugu | M | JP | |
| OCD 345 | 1765-1833 | Oginski | Michal Kleofas | M | PL |
| 1864- | Ogir | Marinus Jacobus | M | ||
| 1631-1712 | Oglou = Itrî | Moustafa Bouhourdjou "Itrî" | M | TR | |
| BIS 94 + | 1900- | Ogura | Akira | M | FI |
| 1958- | Ogura | Roh | M | JP | |
| SKC 0433 + | Oh | Sook-ja | F | ||
| OP 30 109 | 1914-1992 | Ohana | Maurice | M | FR |
| 1882-1967 | O'Hara | Geoffrey | M | CA>>US | |
| 1864-1937 | Ohe | Adèle aus der | F | DE | |
| Naxos 555321 | 1918-1982 | Ohguri | Hiroshi | M | JP |
| 1902- | Ohlbertz | Ernst | M | ||
| 1861-1910 | Ohlhans | Franz | M | ||
| Ohmae | Satoshi | M | JP | ||
| Ohmasa | Naoto | M | JP | ||
| 1884-1935 | Ohrmann | Fritz | M | ||
| 1930- | Ohse | Reinhard | M | ||
| Ohta | Sakurako | F | JP | ||
| Accent 96121 | 19??- | Ojeda | Ricardo | M | AR |
| LP Ovation 1402 | 1941- | Ojeda | Bob | M | US |
| Dorobo 010+ | 19??- | Ojima | Yoshio | M | JP>>FR |
| Okabe | Fujio | M | JP | ||
| Okada | Shodai | M | JP | ||
| Okajima | Masaoki | M | JP | ||
| Okamoto | Kanako | F | JP | ||
| Okamoto | Masami | M | JP | ||
| Okano | Teiichi | M | JP | ||
| Okasaka | Keiki | M | JP | ||
| 17??- | Okayasu | Kosaburo | M | JP | |
| 1500-1560 | Okeland | Robert | M | ||
| 1829-1885 | O'Kelly | Joseph | M | ||
| 1600-1663 | O'Keover | John | M | ||
| 1965- | Okma | Barbara | F | NL | |
| Okuma | Takako | F | JP | ||
| Okumura | Hajime | M | JP | ||
| BIS 478 + | 1931-1973 | Okunev | German | M | RU |
| 1958- | Olafsson | Kjartan | M | IS | |
| 1953- | Ólafsson | Egill | M | IS | |
| 1955- | Ólafsson | Torfi | M | IS | |
| 1962- | Ólafsson | Gunnsteinn | M | IS | |
| Ólafsson | Páll | M | IS | ||
| 1914- | Ólafsson | Jónatan | M | IS | |
| K617 059 + | 1648-1708 | Olague | Bartolomeo de | M | ES |
| 1625-1675 | Olague | Martinho Garcia | M | PT | |
| 1928- | Olah | Tiberiu | M | RO | |
| 1948- | Olan | David | M | ||
| Sterling 1005 | 1824-1886 | Olander | Per August | M | SE |
| Colien 30062 | 1934- | Olavide | Gonzalo | M | ES |
| WER 2054 | 1952- | Olbrisch | Franz Martin | M | DE |
| 1956- | Olczak | Krzystof Robert | M | PL | |
| 1874-1962 | Oldberg | Arne | M | US | |
| 1926-2003 | Oldham | Arthur William | M | GB | |
| 1886-1951 | Oldroyd | George | M | ||
| 1966- | O'Leary | David | M | IE | |
| CMC 01 | 1946- | O'Leary Strong | Jane | F | US>>IE |
| 19??- | Olejnik | Jan | M | ||
| Universal 4616962 | 19??- | Oler | Kim | M | US |
| ADW 7314 | 1738-1789 | Oley | Johann Christoph | M | DE |
| 1913-1990 | Olias | Lotar | M | ||
| 1740-1812 | Olin | Elisabeth | F | ||
| Strauss 4350 | 1948- | Oliva Erlich | Alejandro Erlich | M | AR |
| 1893-1977 | Olivadoti | Joseph | M | US | |
| 1911- | Olivar = Ebert | Ralf | M | ||
| 1760-1800 | Olivares | Juan Manuel | M | ||
| 1950- | Olive | Vivienne | F | GB>>AU | |
| 1735-1813 | Oliveira | Manoel Diaz | M | BR | |
| XXCB001 | 1915- | Oliveira | Babi | M | BR |
| Colien 30062 | 1959- | Oliveira | Joao Pedro | M | PT |
| 1938- | Oliveira | Willy de | M | ||
| 1925- | Oliveira | Jocy de | BR | ||
| 1944- | Oliveira | Jamary | M | ||
| 1950- | Oliver | Stephen | M | ||
| Earsay 203 | 1959- | Oliver | John | M | CA |
| 1910-1988 | Oliver | Melvin James "Sy" | M | US | |
| 1885-1938 | Oliver | Joe Joseph "King" | M | US | |
| 1910- | Oliver | Melvin James "Sy" | M | US | |
| 1946- | Oliver Onions = Angelis | Guido & Maurizio | M | ||
| 1937- | Oliver Pina | Angel | M | ||
| Plane 88808 | 1954- | Olivero | Betty | F | IE |
| Mode 40 | 1932- | Oliveros | Pauline | F | US |
| CSM 15 | Olivet | Yann | M | ||
| 1907-1948 | Olivier | François | M | ||
| 1240-1280 | Olivier | "le templier" | "M | FR | |
| 1927- | Olkusnik | Joachim | M | ||
| MAG 111110 | 1875-1959 | Ollone | Maximilien Paul Marie Félix "Max" | M | FR |
| 1865-1909 | Olmeda | Federico | M | ||
| 1962- | Olofsson | Kent | M | SE | |
| 1935- | Olpen | Friedrich W. | M | ||
| BIS 187 + | 1919-1972 | Olrog | Ulf Peder | M | |
| BIS 103 + | 1903-1984 | Olsen | Sparre Carl Gustav | M | NO |
| 1922-1982 | Olsen | Paul Rovsing | M | ||
| Intim Musik 081 | 1850-1927 | Olsen | Ole | M | NO |
| World 55836 | 1892-1946 | Olshanetsky | Alexander | M | RU>>US |
| 1982- | Olson | James | M | GB | |
| Tongang AWCD34 | 1918-1981 | Olsson | Emil | M | SE |
| BIS 85 | 1879-1964 | Olsson | Otto Emmanuel | M | SE |
| 1555-1629 | Olthof | Statius | M | DE | |
| 1940- | Olthuis | Kees | M | NL | |
| 1915-1993 | Oltmann = Meyer | Bert = Friedrich | M | ||
| 1970- | Oltowski | Maciej | M | PL | |
| 1922- | Oltra | Manuel | M | ES | |
| 1954- | O'Melley = Moorlampen | Howard | M | ||
| Omori | Kazuko | M | JP | ||
| 1970- | Omura | Kumiko | F | JP | |
| Omura | Tetsuya | M | JP |
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