Singam or Singham is both a surname and a given name that means "lion" in the Tamil language. Notable people with the name include:

Archibald Singham (1932-1991), Sri Lankan political scientist and historian Constance Singam (born 1936), Singaporean activist and writer Neville Roy Singham (born 1954), American businessman Singam Singh (born 1988), Indian footballer

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