Cognomen Keika (Keika 
) , all around the world, is a very rare family name. The surname Keika is characteristic of China, where it is an extremely rare surname, the United States, and India. More prevalently, Keika is the forename as well as the last name.
Chi, Ruttan, Graham, Lawton, Tokito, Sheldon, Carlson, Jackson, Tanehashi, Hayashi, Sugiyama, Albarado, Ramadila, Durosseau, Nakamura, Olivares, Yoshioka, Sakuragawa, Stevenson, Takahashi, Natsumeda, Nakagawara, Komura, Yamaguchi, Kagawa, Suzuki, Lee, Sano, Sato, Shaw, Suen, Chan, Bleu, Kudo, Lahr, Inai, Braga, Buggs, Davis, Leong, Jones, Tanno, Hoshi, Felix, Ikawa, Ijiri, Young, Coombs, and Chang-Thompson