Shitta-Bey Mosque is a mosque, religious learning centre and one of the oldest mosques in Southern Nigeria and the first internationally recognised mosque in Nigeria. The mosque is located at Martins Ereko Street, Lagos Island, Lagos, Nigeria. It was established in 1892 and designated as National monument by Nigerian Commission for Museums and Monuments in 2013. The mosque, considered one of the most important historical legacies of Nigeria, Shitta-Bey Mosque was named after its founder Sierra Leonean-born Nigerian, Mohammed Shitta Bey, who was an aristocrat, philanthropist and businessman.