| Alloysius Agu | |
| Fullname: | Alloysius Uzoma Agu |
| Birth Date: | 12 July 1967 |
| Birth Place: | Lagos, Nigeria |
| Height: | 1.79 m |
| Position: | Goalkeeper |
| Years1: | 1982–1989 |
| Clubs1: | NEPA |
| Years2: | 1990 |
| Clubs2: | ACB Lagos |
| Years3: | 1990–1992 |
| Clubs3: | MVV Maastricht |
| Caps3: | 45 |
| Goals3: | 0 |
| Years4: | 1992–1994 |
| Clubs4: | RFC Liège |
| Caps4: | 18 |
| Goals4: | 0 |
| Years5: | 1994–1997 |
| Clubs5: | Kayserispor |
| Caps5: | 79 |
| Goals5: | 0 |
| Nationalyears1: | 1988–1995 |
| Nationalteam1: | Nigeria |
| Nationalcaps1: | 28 |
| Nationalgoals1: | 0 |
| Manageryears1: | 2021-2022 |
| Managerclubs1: | Nigeria (Goalkeeper coach) |
| Manageryears2: | 2023- |
| Managerclubs2: | Nigeria (Goalkeeper coach) |
Alloysius Uzoma Agu (born 12 July 1967 in Lagos) is a Nigerian former professional footballer who played as a goalkeeper. Their number one choice in the early nineties, he played 28 international matches for the Nigeria national team. He was the starting goalkeeper in the 1990 African Nations Cup where the team finished as runners-up and was brought to the 1994 FIFA World Cup and the 1994 African Nations Cup as a cover for Peter Rufai. Agu retired at the age of 30, after having spent most of his career in Africa. He has served as the goalkeeping coach for Enyimba and in April 2008 was named goalkeeper coach for the national team.