AO-35 may refer to:

• AO-35 assault rifle
• USS Housatonic (AO-35)

• Ollie C. Thomas
• Ollie Gilbert
• Ollie Graham
• Ollie Hanrahan
• Ollie Haupt, Jr.
• Ollie Hopkins
• Ollie Horgan
• Ollie Imogene Shepard
• Ollie J. Brooks
• Ollie Jones (cyclist)
• Ollie Josephine Prescott Baird Bennet
• Ollie Josephine Prescott Baird Bennett
• Ollie Kensdale
• Ollie, Kentucky
• Ollie Kirby
• Ollie Lindsay-Hague
• Ollie Manninen
• Ollie Marie Adams
• Ollie McKelson
• Ollie McLaughlin
• Ollie Morgan
• Ollie Newey
• Ollie Newton
• Ollie O'Donovan
• Ollie Olson