Seidou is both a given name and a surname. Notable people with the name include:
Séidou Barazé (born 1990), Beninese footballer Seidou Idrissa (born 1985), Nigerien footballer Seidou Njimoluh Njoya (1902–1992), Cameroonian ruler Seïdou Mama Sika (born 1949), Beninese politician Alassane Seidou, Beninese politician Edson Seidou (born 1991), French footballer Fabrice Seidou (born 1986), Ivorian footballer Samou Seidou Adambi, Beninese politician