Information in order of Name,Type,Displacement in tons,Date of launch,Date of photographs,Fate where known
Ships with names beginning with the letter "O"
O.A. KNUDSEN (1st) tanker 8700/1925 in early 1930s (?/war loss)
O.A. KNUDSEN (2nd) tanker 11007/1938 in 1940 (1942 war loss)
O.K. HAUGE see as LISS
OAK see as AUSTRALIA VICTORY
OAKBANK freighter 5154/1926 in early & mid 1930s (1942 war loss)
OAKLAND see as MARINE TIGER
OAKLEY see as KOURA
OAXEN IV see as HAUKEN
OBERON see as SALDANHA
OBSERVATORY motor fishing vessel ex WW2 M.F.V. wreck in late 1940s
OBSERVER freighter 5881/1928 in early 1930s (1942 torpedoed)
OCANA tanker 6256/1938 in 1939 & '41 (1942 torpedoed)
OCEAN COURIER freighter 7174/1942 in 1947 (1960 scrapped)
OCEAN FAITH freighter 7174/1942 in 1946 & '47 (1962 scrapped)
OCEAN FAME see as FIRBY
OCEAN GLORY freighter 7174/1942 in 1946 (1964 scrapped)
OCEAN GOOSE fishing vessel, small, motor, at Cape Town in late 1940s or early 1950s
OCEAN KING see as AUGUSTUS
OCEAN LAYER see as EMPIRE FROME
OCEAN LIBERTY freighter 7174/1942 in 1946 (1966 wrecked)
OCEAN MAID see as SOUTHERN INVADER
OCEAN MAID trawler 549/1967 in 1980
OCEAN MARU see as RECORDER
OCEAN MESSENGER freighter 7174/1942 in 1947 (1961 scrapped)
OCEAN NEPTUNE see as FORDSDALE
OCEAN PRIDE fishing vessel, motor, 198/1954 in 1980, '81
OCEAN PRINCE freighter 5217/1911 in mid 1930s (1939 torpedoed)
OCEAN PRINCESS see as ITALIA
OCEAN PRINCESS trawler 1207/1969 in 1980
OCEAN QUEEN fishing vessel 399/1968 in 1980
OCEAN ROVER see as WOLVERINE
OCEAN ROVER see as GARDEN STATE
OCEAN STAR see as RECORDER
OCEAN TRADER see as LONE STAR
OCEAN UNITY see as EMPIRE SOUTHEY
OCEAN VERITY freighter 7174/1942 in 1947 (1961 wrecked)
OCEAN VICEROY freighter 7174/1942 in 1946 (1961 fire then scrapped)
OCEANA see as SCOT
OCEANIA see as GYDAVORE
OCEANIC PRIDE see as ARGUS
OCEANIC TRIUMPH see as CHARLES F. MEYER
OCEANO ANTARTICO see as COOLANGATTA
OCEANUS drgr 2115/1922 in early 1930s, '36 & '37 (1947 scrapped)
OCKLINGE freighter 2343/1923 in 1932 (1938 wrecked)
OCTAVIA see as EVDOKIA TSIRIS
ODBERG whale-catcher 351/1936 in mid & late 1930s & as ODBERG T.25 HMSAS anti-sub chaser & ex whale-catcher in 1941 (1963 scrapped)
ODD whale-catcher 158/1912 in early 1930s & '36
ODD III see as TORGNY
OELSCHINDLER VI see as MOHESI
OFFHAM see as LUCIJANA
OGDEN NELSON tanker 124370/1972 in 1980
OGDEN SENEGAL freighter for vehicles 20711/1974 in 1985
OGDEN SUNGARI tanker 124085/1975 in 1980
OGMORE CASTLE see as BOKKEVELD & BACKWORTH & ROODEWAL
OILSMITH see as RAILA
OIL TRADER tanker 5550/1927 in early 1930s (1941 war loss)
OJI MARU NO. 33 fishing vessel 299/1972 in 1980
OJU MARU 1 fishing vessel 284/1972 in 1980
OKAPI HMS see as A.N.5
OKEANIS see as RIBERA
OKU trawler 303/1929 in 1932
OLAF OLSEN see as HEKTOR 7
OLANCHO see as NEMAHA
OLBIA see as EL MALEK FOUAD
OLD NORTH STATE see as PRESIDENT VAN BUREN
OLDENBURG see as SUOMEN JOUTSEN
OLDENBURG freighter 2312/1936 in 1936 (1940 torpedoed)
OLDENBURG II see as AYAMONTE
OLE BAKK see as KOS 39
OLE WEGGER whale-factory ship 12201/1914 in 1928 or 1929, early & mid 1930s (1949 scrapped)
OLEX see as STEAUA ROMANA
OLGA see as MORAY COAST
OLGA see as CLIVE
OLGA E. EMBIRICOS see as BELLVIEW
OLGA S. see as TAS II, UNI II, NIGEL T.40 HMSAS & D'ROM AFRIKA
OLGA S. see as MORAY COAST
OLGA TOPIC freighter 4375/1918 in 1946
OLGA Y see as BUZI & RUFIDJ
OLIVEBANK sailing vessel 2818/1892 in early 1930s & '39 (1930 mined)
OLNA HMS tanker 25096dis fl/1944 in 1946 & '47 (1966 scrapped)
OLOVSBORG freighter 5758/1912 in 1939 (?/war loss)
OLTENIA tanker 6394/1918 in 1941 (1943 torpedoed)
OLWEN A.122 HMS Bri fleet replenishment oiler 18600/1964 in 1972
OLYMPE see as CONISCLIFFE
OLYMPIA freighter 4488/1930 in 1938 & '39 (?/war loss)
OLYMPOS see as RIALTO
OLYNTHUS HMS see as OLWEN/A 122 HMS
OMBU see as CIUDAD DEL CABO
OMONIA see as TAYARI
OMONIA II see as OCEAN VICEROY
OMSK see as LANCING
OMSK see as TEXAS
ONAWAY see as AGHIOS GEORGIOS
ONITSHA freighter 3921/1910 in abt 1931 (1932? scrapped?)
ONTGINNER 1 see as SPENCER BAY
OOE MARU trawler 2524/1962 in 1980
OOKIEP see as MASHONA
OOSTEWAL whale catcher 179/1926 in early, mid & late 1930s, and as HMSAS OOSTEWAL T.08 ex-whale-catcher in 1939, '40 & '41 (wrecked then scrapped in 1954)
OOSTKERK freighter 8049/1914 in early 1930s (1932 scrapped)
OPAWA see as ANTARCTIC
OPAWA freighter 11746/1931 in 1939 & '40 (1942 torpedoed)
ORAN M. ROBERTS freighter 7244/1943 in late 1940s (1974 scrapped)
ORANGEMOOR see as BRASK
ORANGEMOOR freighter 5770/1923 in early 1930s (1940 torpedoed)
ORANIE see as WARRIOR
ORANJE see as ANFA
ORANJE passenger 20017/1939 in 1939 (1979 fire then sank)
ORANJE NASSAU passenger 2885/1909 in 1936 (1954 scrapped)
ORANJEFONTEIN passenger 10544/1940 in 1946 & '47 (1967 scrapped)
ORANJEMUND coastal freighter 1298/1976 in 1980 (listed in Lloyds Register in 1989/90)
ORANJEZICHT trawler 367/1930 in 1953
ORARI freighter 10350/1931 in 1939
ORATOR freighter 4622/1912 in late 1920s
ORBITA passenger 16532/1915 in 1940 & '41 (1950 scrapped)
ORCA see as CALGARIC
ORCADES HMT passenger 23456/1937 in 1940 & '41 (1942 torpedoed)
ORCANA see as MILTIADES
ORCHY freighter 1090/1930 in 1932 (1959 scrapped)
OREGON freighter 4774/1916 in 1940 (1945 wrecked)
OREGONIAN freighter 4832/1917 in 1941 (1942 sunk by aircraft)
ORELAND see as ANTE TOPIC
OREMAR see as EUROPE
OREOI see as BRATTDAL
ORESTES passenger 7748/1926 in 1939 & '41 (1963 scrapped)
ORFED see as FORT GASPEREAU
ORFORD passenger 20043/1928 in about 1931 (1940 aerial attack, 1947 scrapped)
ORIENTAL see as EMPIRE SCOTT
ORIENTAL BANKER see as CAPTAIN THEO
ORIENTAL KING see as EVERHOPE
ORIENTAL QUEEN see as KANIMBLA
ORION see as HIGHLAND PRINCE
ORION see as SUDEROY VIII
ORION HMT passenger 23371/1935 in 1940 & '41 (1963 scrapped)
ORISTANO see as RYOKAI MARU
ORKA trawler 2495/1965 in 1982
ORKAN see as AJAX
ORMINSTER see as CLAN KEITH
ORMONDE passenger 14982/1917 in 1939 and as HMT in 1940 (1952 scrapped)
ORMOS see as CLUMBERHALL
ORN see as HAVORN
ORNA freighter 6779/1938 in 1950 (1969 scrapped)
ORNEN 3 whale catcher 251/1930 in early 1930s
ORONTES passenger 20097/1929 in 1931 & '40 (1962 scrapped)
OROPESA passenger 14118/1920 in abt 1931 and as HMT in 1940 (1941 torpedoed)
OROTAVA tug 206/1970 in 1983
OROYA passenger 12257/1923 in 1931 (1939 scrapped)
ORPHEUS freighter 8258/1944 in 1946 & '47 (1970 scrapped)
ORSA see as SILVERGUAVA
ORSINA see as OUDERKERK
ORSOVA passenger 12041/1909 in 1931 (1936 scrapped)
ORTELIUS freighter 52444/1978 in 1981
ORVAR see as CALEDONIA
ORWELL see as CONGO
OSCAR III see as CITY OF RANGOON
OSCAR BORGESSON see as FALSTERBO
OSMOND see as ASHTABULA
OSPREY motor launch at Durban built 1982, in 1985
OSTENDIA see as NONIS
OSTFRIESLAND freighter 9995/1962 in abt 1975
OSTHAV tanker 8417/1931 in 1940
OSWEGO see as QUEEN MAEVE
OSWESTRY GRANGE see as RHODESIAN PRINCE
OTAIO frt 10298/1930 in 1935 & '41 (1941 torpedoed)
OTAKI see as MAHMOUD
OTAKI see as CLAN ROBERTSON
OTAKI freighter 7976/1920 in 1931 (1942 torpedoed)
OTAVI freighter 737/1919 in 1931, '36, '37, '39, '41 and as a wreck in 1945 (1945 wrecked)
OTELLO see as PARRAKOOLA
OTER 1 whale catcher 250/1929 in late 1930s
OTHELLO see as BONITA
OTIRA frt 7995/1919 in mid 1930s (1937 scrapped)
OTORI MARU NO. 20 see as SETTER III
OTORI MARU NO. 21 see as SETTER IV
OTORI MARU NO. 22 see as SETTER V
OTORI MARU NO. 28 fishing vessel 299/1973 in 1980
OTOWANA see as BROOKLYN HEIGHTS
OTRANTO passenger 20026/1925 in 1932 & '40 (1957 scrapped)
OTTERBERG see as CARL-GORTHON
OTTERBURN see as CLAN KENNEDY
OTTERN whale catcher 361/1937 in 1937, '39, late 1940s/early 1950s
OTTO BUHR tug 295/1982 in 1985
OTTO SIEDLE tug 621/1938 in late 1930s, '80 & '81 (1981 target practice)
OTTO TRECHMAN see as CHARTERHYTHE
OUDERKERK freighter 7833/1915 in about 1938
OUR BOY yacht sailing & auxiliary motor, ocean-going, at Cape Town in 1934
OURAGAN see as CAMBIER
OURAL tanker 2210/1887 in 1928 or 1929 & '30
OUTENIQUA freighter 1019/1915 in abt 1928, '33, '35, '36, '37 & '38 (1937 wrecked then scrapped)
OVAMBO see as SPRINGBOK
OVAMBO COAST see as SPRINGBOK
OVERDALE see as RADAMES
OVID freighter 3928/1902 in late 1920s
OVIDIA see as FAXEN
OVINGTON COURT freighter, wreck, 6095/1924 in 1940 & mid or late 1940s
OXFORDSHIRE H.M. Hospital ship No. 6 ex passenger 8646/1912 in 1941 (1958 scrapped)
OYULF see as MARQUES DE ESTELLA
OZARK see as ATLANTIC SHIPPER
OZONE small m. coastal freighter at Cape Town 1937
Where known, the fate of the ship is shown in brackets
