| Birth Date: | 7 June 1977 |
| Birth Place: | Bucharest, Romania |
| Height: | 1.90 m |
| Weight: | 100 kg |
| Ru Position: | Flanker, Number eight |
| Youthclubs1: |  Locomotiva București |
| Ru Clubyears: | 1995–1998 1998 1998–2002 2002–2003 2003–2006 2006–2007 2007–2009 2009 2009–2013 2013–2015 2015–2016 |
| Ru Proclubs: | RC Timișoara Terrasson Aurillac CA Bègles Pau Castres CA Brive Avenir Valencien Lyon OU La Voulte-Valence CS Vienne |
| Ru Clubcaps: | ? ? ? 15 48 21 34 0 65 29 13 |
| Ru Clubpoints: | (?) (?) (?) (20) (30) (5) (35) (0) (20) (0) (5) |
| Ru Nationalyears: | 1996–2012 |
| Ru Nationalcaps: | 40 |
| Ru Nationalpoints: | (60) |
Alexandru Manta (born 7 June 1977 in Bucharest) is a Romanian former rugby union footballer.
Manta spent the majority of his career in France, playing for USC Terrasson (1998), Stade Aurillacois (1998/02), Bègles-Bordeaux (2002/03), Section Paloise (2003/06), Castres Olympique (2006/07), CA Brive (2007/09), Lyon OU (2009/13), La Voulte-Valence (2013/15) and CS Vienne (2015/16).
Manta made his debut for Romania in 1996 against Belgium, in an 83–5 win. He played three matches at the 2007 Rugby World Cup, scoring a try against Italy (18–24).