Oskar Hoffmann may refer to:

• Oskar Hoffmann (painter) (1851–1912), Baltic-German painter from Estonia
• Oskar Hoffmann (author) (1866–1928), German science-fiction writer
• Oskar Hoffmann (politician) (1877–1953), German editor and politician

• Oliver Stierle
• Oliver St John, 1st Earl of Bolingbroke
• Oliver St John, 1st Viscount Grandison
• Oliver St John, 1st Viscount Grandison and Baron Tregoz
• Oliver St John, 3rd Baron St John of Bletso
• Oliver St John, 4th Baron St John of Bletso
• Oliver St John, Baron St John
• Oliver St John (disambiguation)
• Oliver St John (Lord Deputy of Ireland)
• Oliver St. John (Lord Deputy of Ireland)
• Oliver Stoeckli
• Oliver Stokes
• Oliver Stone
• Oliver Stonor
• Oliver Stratford Tomkins
• Oliver Straube
• Oliver Street
• Oliver Stritzel
• Oliver Strunk
• Oliver's Twist (horse)
• Oliver Sudden Productions
• Oliver (Surrey cricketer)
• Oliver Sutton (RAF officer)
• Oliver Swan
• Oliver's warty pig