Last name Igao (Igao 
) , globally, is a rare cognomen. The family name Igao is characteristic of Philippines, where it is a rare surname, Canada, where it is a very rare surname, and Nigeria, where it is an extremely rare surname. Much less frequently, Igao is the forename as well as the last name.
Mary, Benjie, Bengie, Robert, Ronilo, Rowelo, Rianne, Danilo, Jaymar, Johmel, Joanna, Jovito, Jerwin, Jeanne, Juliet, Junsol, Tessie, Nasser, Nobier, Nobyer, Hemier, Vianix, Amadio, Andres, Alicia, Shirly, Rosa, Rhea, Dely, Liny, Joan, Joel, Juby, Tony, Igor, Alvin, Frence, Arnel, Rosie, Glenn, Lilia, Josie, Jesus, Jerry, Thing, Erica, Henry, Medina, Ranie, and Imelda