Omar Sosa (born April 10, 1965) is a jazz pianist from Cuba.

A native of Camagüey, Cuba, Sosa studied percussion at the Escuela Nacional de Musica and Instituto Superior de Arte. In the 1980s he started the band Tributo, recording albums and touring with the band.He worked with Cuban vocalist Xiomara Laugart and several Latin jazz bands. In the 1990s he moved from Cuba to Quito, Ecuador; to Palma de Mallorca, Spain; to the San Francisco Bay area, in California, United States; and finally settled in Barcelona, Spain.