Cognomen Jaack (Jaack 
) , in all the world, is an extremely rare last name. The surname Jaack is habitual in Northern America, particularly the United States, where it is an extremely rare surname. Much more frequently, Jaack is the forename as well as the last name.
Daa, Mesrine, Sparrow, Cortés, Penides, Ribeiro, Riitchie, Daniels, Suellém, Sparroow, Teixeira, Troisponts, Hannover, Herholdt, Ferreira, Oliveira, Wallmach, Collinson, De La Cruz, Guimarães, Wright, Vandersluis, Operet, Holmes, Goh, Lee, Mess, Said, Paaw, Dean, Ãœ, Silva, Souza, Bená, Dadou, Santos, Carlos, Castro, Bothma, Potter, Daniel, Doodaa, Taylor, Vieira, and Bezuidenhout