In all the world, Riskus (Riskus 
) is an extremely rare unknown gender given name. Much more frequently, Riskus is the last name as well as the forename.
Mr, Cindy, Brian, Kathy, Kevin, Peter, Pilar, Devin, David, Donna, Laura, Leana, Linda, James, Jared, Julie, Tammy, Theda, Tomas, Tracy, Nancy, Halli, Carol, Carly, Chris, Alisa, Amy, Mary, Mike, Alex, Alda, Carl, Paul, Rose, Rita, Ryan, Frank, Lora, Jean, Troy, Eric, Erik, Erin, Mahra, Sadie, Sonya, Sofia, Alexa, John, and Wayne