Surname Sidala (Sidala 
) , around the world, is quite a rare last name. The last name Sidala is habitual in Laos, where it is quite a common surname, Slovakia, where it is quite a rare surname, and Thailand, where it is a very rare surname. Measured by absolute frequency, it most frequently occurs in Laos, India, and Slovakia. Likewise, Sidala is the forename as well as the last name.