Hilario or Hilário can be both a given name and surname. Notable people with the name include:

• Hilario (footballer, born 1905) (Juan Hilario Marrero Pérez, 1905–1989), Spanish footballer and manager
• Hilário (footballer, born 1939) (Hilário Rosário da Conceição), Portuguese footballer and manager
• Hilário (footballer, born 1975) (Henrique Hilário Meireles Alves Sampaio), Portuguese footballer
• Hilario Barrero (born 1948), Spanish writer
• Hilario Candela (1934–2022), Cuban-born American architect
• Hilario Davide Jr. (born 1935), Filipino ambassador
• Hilário Maximiniano Antunes Gurjão (1820–1869), Brazilian general
• Hilário Leal (born 1974), Portuguese footballer
• Hilario López (1907–1965), Mexican footballer
• Hilario Zapata (born 1958), Panamanian boxer

• Jhong Hilario (born 1976), Filipino actor and dancer
• Nenê (born 1982 as Maybyner Rodney Hilário), Brazilian basketball player

• Hilario, cognomen, the third name of an ancient Roman
• Hilarios Karl-Heinz Ungerer (born 1941), German bishop
• Hilario (album), the Inbreds debut album
• All pages with titles beginning with Hilario
• Hilarion (name)
• Hilary (name)