Across the world, Catullo (Catullo 
) is a rare boy's first name. The first name Catullo is characteristic of Italy, where it is a rare masculine name, and Brazil, where it is an extremely rare male name. More frequently, Catullo is the last name as well as the forename.
Al, Andy, Anna, Carl, Kari, Paul, Rosa, Ryan, Gaio, Gina, Gino, Leah, Lisa, Lori, Luca, Lucy, Luis, Luke, Jose, John, Joan, Jeff, Aldo, Stan, Sean, Sara, Sam, Sue, Ana, Ann, Bob, Kim, Pat, Roy, Dan, Guy, Juan, Lee, Joy, Jen, Jim, Tom, Ema, Eva, Mary, Mark, Mica, Mike, Joe, and Judy