Senin may refer to:
People Adolph Senin, an alias of Jack Soble (1903–1967), Lithuanian spy for the Soviet Union Adrian Senin (born 1979), Romanian footballer Agustín Senin (born 1946), Spanish boxer Ivan Senin (1903–1981), Ukrainian Soviet politician Vladimir Senin (born 1960), Russian politician Senin Sebai (born 1993), Ivorian footballer Sanin Husain (c. 1847–1909), a Mahdist State religious military leader also known as Senin Wad Hussein, Ali Feki Senin, and Fekhi Senin
Places Lac de Sénin, a Swiss lake and reservoir Col de Sénin, a Swiss mountain pass
See also Sergejs Seņins (born 1972), Latvian retired ice hockey player Sanin (disambiguation), including several people with the surname