Worldwide, Gronas (Gronas 
) is an extremely rare unknown gender first name. Much more prevalently, Gronas is the last name as well as the forename.
Mr, Tamas, Terje, Tevyn, Helen, Holli, Sydney, Angela, Astrid, Cyndel, Bonnie, Brandy, Brenda, Kalmon, Robert, Dennis, Donald, George, Leanna, Joseph, Justin, Taylor, Jason, Lucas, Dylan, Diane, Ms, Mary, Sean, Chad, Rolf, Greg, Lori, John, Tony, Troy, Hilary, Marha, Scott, Alice, Anita, Aaron, Caleb, Bengt, Boris, Katie, Kelly, David, Shawn, and Matthew