Last name Simanis (Simanis 
) , in the entire world, is a rare family name. The last name Simanis is characteristic of Northern Europe, particularly Latvia, where it is quite a common surname, Estonia, where it is a rare surname, and Lithuania. Measured by absolute frequency, the name is most common in Latvia, the United States, and the United Kingdom.
Mr, Ainar, Karen, Davis, Gatis, Gerds, Janis, James, Jenny, Juris, Agris, Tania, Edwin, Eriks, Helen, Martin, Mikkel, Sandis, Sandus, Sherry, Sydney, Niels, Andris, Artis, Stacy, Ms, Min, Ann, Joe, Eva, Mary, Mark, Mara, Alex, Alise, Anna, Lisa, Lita, Jane, Jean, Nick, Erik, Erin, Ilze, Susan, Puan, and Antony