Cognomen Ouska (Ouska 
) , worldwide, is a rare family name. The family name Ouska is characteristic of Czechia, where it is quite a rare surname, Slovakia, where it is a rare surname, and Denmark, where it is a very rare surname. In absolute terms, it is the most numerous in Czechia, the United States, and Slovakia.
Mr, Karen, Karel, Kelly, Lytal, James, Jason, Jerry, Julia, Julie, Nancy, Neill, Orrin, Wayne, Sheila, Steven, Alison, Alfred, Aubryn, Connie, George, Joseph, Aaron, Thomas, Steve, Nila, Amy, Cat, Jan, Jim, Tom, Ted, Mary, Mark, Matt, Alan, Anne, Kary, Kath, Petr, Greg, Lori, Lola, John, Joel, Todd, Troy, Emma, and Teresa