Osbert is a male given name and a surname.
It may refer to:
Given name:
Osbert or Osberht of Northumbria (died 867), King of NorthumbriaOsbert or Osbeorn Bulax (died c. 1054), son of Siward, Earl of NorthumbriaOsbert de Bayeux (fl. 1121−1184), medieval English cleric and archdeaconOsbert of Clare (died in or after 1158), monk, elected prior of Westminster Abbey and briefly abbot, writer, hagiographer and forger of chartersOsbert of Dunblane (died 1230), Bishop of DunblaneOsbert de Longchamp (c. 1155–before 1208), Anglo-Norman administratorO. G. S. Crawford (1886-1957), English archaeologist and a pioneer in the use of aerial photographs in his fieldOsbert fitzHervey (died 1206), Anglo-Norman royal judgeOsbert Lancaster (1908-1986), English cartoonist, author, art critic and stage designerOsbert Mackie (1869-1927), English rugby union centre and Anglican priestOsbert Molyneux, 6th Earl of Sefton (1871-1930), British courtier and Liberal politicianOsbert Mordaunt (1876-1949), English cricketerOsbert Peake, 1st Viscount Ingleby (1897-1966), British Conservative Party politicianOsbert Salvin (1835-1898), English naturalist, ornithologist and herpetologistOsbert Sitwell (1892-1969), English writerOther:
Alphonse Osbert (1857-1939), French painterWilliam Fitz Osbert (died 1196), champion of the poor in London