Cognomen Okuna (Okuna 
) , globally, is quite a rare family name. The last name Okuna is habitual in Japan, where it is quite a rare surname, Albania, where it is a rare surname, and Kenya. In absolute terms, the name is most common in Japan, Kenya, and Uganda. Very seldom, Okuna is the forename as well as the last name.
Joe, Jared, Joann, Julie, Takao, Natei, Elise, Ethan, Felix, Isaac, Irene, Onome, Monday, Samuel, Samson, Sunday, Albert, Aileen, Pamela, Prince, Derick, Darryn, James, Janet, Lucky, Liane, Joy, Oke, Mary, Cory, Paul, Deus, Gary, Lynn, John, Neil, Dorcas, Erin, Scott, Alwin, Carol, Craig, Kelly, Kevin, Kisha, Peter, Peace, David, Simon, and George