Ian Sinclair (disambiguation)

Ian Sinclair (born 1929) is an Australian politician.

Ian Sinclair may also refer to:

• Ian David Sinclair (1913–2006), Canadian businessman and senator
• Ian Sinclair (cricketer) (born 1933), New Zealand cricketer
• Ian Sinclair (broadcaster), New Zealand television journalist and reporter
• Ian Sinclair (Canadian football) (born 1960), Canadian football player
• Ian Sinclair (voice actor) (born 1984), American voice actor
• Sir Ian Sinclair (lawyer) (1926–2013), British international lawyer