Gasana is a Rwandan surname. Notable people with the surname include:
Alfred Gasana, Rwandan politician Anastase Gasana (born 1950), Rwandan political figure and diplomat Sammy Gasana (born 1996), AI entrepreneur Eric Gasana (born 1986), Rwandan footballer Eugène-Richard Gasana, Rwandan diplomat Kenny Gasana (born 1984), Rwandan basketball player