Ockham
- Byron King-Noel, Viscount Ockham
- HMS Ockham (M2714)
- Oakham (disambiguation)
- Observatory for Cultural and Audiovisual Communication in the Mediterranean
- Occam learning
- Occam process
- Ockham Awards
- Ockham New Zealand Book Awards
- Ockham Park
- Ockham algebra
- Ockham's Razor
- Ockham's Razor Theatre Company
- Ockham, Surrey
- Office of Cancer Complementary and Alternative Medicine
- Oxford Centre for Collaborative Applied Mathematics
- Peter King, 1st Baron King of Ockham
- William of Ockham