Last name Senayi (Senayi 
) , in all the world, is a rare family name. The last name Senayi is habitual in Ethiopia, where it is a rare surname, Tanzania, where it is a very rare surname, and Turkey, where it is an extremely rare surname. Measured by absolute frequency, it is commonest in Ethiopia, India, and Tanzania. More prevalently, Senayi is the forename as well as the last name.