Ian Wallace is the name of:

• Ian Wallace (ornithologist) (born before 1935), British ornithologist and natural history author
• Ian Wallace (author) (1912–1998), science fiction author
• Ian Wallace (artist) (born 1943), pioneer of Vancouver's conceptual art movement
• Ian Wallace (Australian footballer) (born 1950), Australian footballer for Footscray
• Ian Wallace (drummer) (1946–2007), drummer with King Crimson, Bob Dylan, and many others
• Ian Wallace (footballer) (born 1956), Scottish international footballer
• Ian Wallace (illustrator) (born 1950), illustrator of children's books
• Ian Wallace (photographer) (born 1972), Tasmanian landscape photographer
• Ian Wallace (singer) (1919–2009), singer and contestant on My Music
• Ian Wallace, convicted member of the Earth Liberation Front

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