Seydina is a given name. Notable people with the name include:
Seydina Baldé (born 1977), French actor Seydina Diarra (born 1994), Belgian-Malian footballer Seydina Mouhammadou Limamou Laye (1843–1909), founder of the Layene Sufi order Seydina Oumar Sy (born 1937), Senegalese politician