Islam is the predominant religion in Senegal. 97 percent of the country's population is estimated to be Muslim. Islam has had a presence in Senegal since the 11th century.

Marieme Faye Sall, the country's fourth first lady, is the country's first black first lady, as well as the first fully Senegalese-born and raised first lady. President Bassirou Diomaye Faye, who has two wives, Marie Khone Faye and Absa Faye, is Senegal's first polygamous president.

Unlike Shia Islam in Nigeria, in Senegal Shia Islam has generally coexisted peacefully with the dominant Sunni Islam branches and the Senegalese government. Shia Islam is the primary religion of the Lebanese community in Senegal, which has been established in Senegal for over a century.