Ilejay is a surname. Notable people with the surname include:
Arin Ilejay, former drummer for Avenged Sevenfold Beatrice Ilejay Laus (born 2000), British musician known professionally as Beabadoobee Kathrina Ilejay-Tan, television personality at DXBC-TV Samantha Ilejay, former Prime Minister of Central Philippine University Republic