Surname Oania (Oania 
) , across the world, is a rare cognomen. The surname Oania is characteristic of Philippines, where it is a rare surname, the United States, where it is a very rare surname, and Canada.
Ed, Betty, Karen, Karol, Keith, Ralph, Razel, Robin, Roger, Renee, Ruben, Gener, Glenn, Lydia, James, Josie, Johny, Edwin, Erwin, Hanna, Vicki, Venus, Bella, Cindy, Carlo, Aaron, Rob, Ron, Roa, Eva, Wei, Mary, Mark, Mike, Mhar, King, Marcus, Ruby, Dana, Leta, Lisa, Noel, Elma, Edna, Maria, Mandy, Monet, Akela, Ryan, and Marlon