Globally, Zwaal (Zwaal ) is an extremely rare unknown gender forename. Much more frequently, Zwaal is the last name as well as the forename.
Mr, J M, J G, J W, H C, F C, Ina, Ida, Mick, Mike, Alex, Alec, Alie, Arie, Arno, Arne, Jan, Abbe, L H, Lee, Ms, Sky, Ana, Ada, A A, A L, Bas, Bob, B J, Rob, Ron, Rik, R P, G J, Leo, L C, and Cees
) is an extremely rare unknown gender forename. Much more frequently, Zwaal is the last name as well as the forename.