| Hilario | |
| Fullname: | Juan Hilario Marrero Pérez |
| Birth Date: | 8 December 1905 |
| Birth Place: | Las Palmas, Spain |
| Death Place: | Las Palmas, Spain |
| Position: | Midfielder |
| Years1: | 1922–1925 |
| Clubs1: | Porteño |
| Years2: | 1925–1928 |
| Clubs2: | Victoria |
| Years3: | 1928–1931 |
| Caps3: | 50 |
| Goals3: | 28 |
| Years4: | 1931–1936 |
| Caps4: | 73 |
| Goals4: | 23 |
| Years5: | 1936 |
| Caps5: | 0 |
| Goals5: | 0 |
| Years6: | 1939–1940 |
| Caps6: | 6 |
| Goals6: | 1 |
| Years7: | 1940–1942 |
| Caps7: | 21 |
| Goals7: | 4 |
| Years8: | 1942–1943 |
| Nationalyears1: | 1931–1935 |
| Nationalcaps1: | 2 |
| Nationalgoals1: | 1 |
| Manageryears1: | 1940–1941 |
| Managerclubs1: | Deportivo La Coruña |
| Manageryears2: | 1942–1943 |
| Managerclubs2: | Elche |
| Manageryears3: | 1943–1944 |
| Managerclubs3: | Racing Ferrol |
| Manageryears4: | 1944 |
| Managerclubs4: | Betanzos |
| Manageryears5: | 1944–1945 |
| Managerclubs5: | Racing Ferrol |
| Manageryears6: | 1945–1946 |
| Managerclubs6: | Deportivo La Coruña |
| Manageryears7: | 1947–1949 |
| Managerclubs7: | Racing Ferrol |
| Manageryears8: | 1949–1950 |
| Managerclubs8: | Gerona |
| Manageryears9: | 1952–1953 |
| Managerclubs9: | UD Tenerife |
| Manageryears10: | 1959 |
| Managerclubs10: | Deportivo La Coruña |
| Manageryears11: | 1959–1960 |
| Managerclubs11: | Racing Ferrol |
Juan Hilario Marrero Pérez, known as Hilario, (8 December 1905 – 14 February 1989) was a Spanish association footballer. He earned 2 caps and scored 1 goal for the Spain national football team, and participated in the 1934 FIFA World Cup.