Moyez G. Vassanji (who writes as M.G. Vassanji) is a Kenyan/Canadian novelist.

Vassanji was born in Nairobi, Kenya in 1950, and raised in Tanzania. He moved to Canada in 1978, and lives in Toronto, Ontario.

He has published five novels:

• The Gunny Sack (1989)
• No New Land (1991)
• The Book of Secrets (1994)
• Amriika (1999)
• The In-Between World of Vikram Lall (2003)

Vassanji won the inaugural Giller Prize in 1994 for The Book of Secrets. He also won the 2003 Giller Prize for The In-Between World of Vikram Lall. He was the first writer to win the Giller Prize more than once; in 2004, Alice Munro became the prize's second repeat winner.

In 2005 he was made a Member of the Order of Canada.