| Johann Lengoualama | |
| Fullname: | Johann Diderot Lengoualama Boukamba |
| Birth Place: | Moanda, Gabon |
| Birth Date: | 29 September 1992 |
| Height: | 1.85m |
| Position: | Forward |
| Currentclub: | Al-Qous |
| Clubnumber: | 30 |
| Years1: | 2008–2013 |
| Years2: | 2013–2015 |
| Caps2: | 21 |
| Goals2: | 3 |
| Years3: | 2015 |
| Clubs3: | RS Berkane |
| Years4: | 2015–2016 |
| Clubs4: | OC Safi |
| Years5: | 2016 |
| Caps5: | 5 |
| Goals5: | 0 |
| Years6: | 2016–2017 |
| Clubs6: | Raja Casablanca |
| Caps6: | 12 |
| Goals6: | 0 |
| Years7: | 2018 |
| Clubs7: | AS Mangasport |
| Years8: | 2018 |
| Clubs8: | Al-Faisaly |
| Years9: | 2019 |
| Clubs9: | US Monastir |
| Caps9: | 3 |
| Goals9: | 0 |
| Years10: | 2019–2020 |
| Caps10: | 1 |
| Goals10: | 0 |
| Years11: | 2022– |
| Clubs11: | Al-Qous[1] |
| Nationalyears1: | 2012–2018 |
| Nationalteam1: | Gabon |
| Nationalcaps1: | 25 |
| Nationalgoals1: | 2 |
| Ntupdate: | 2 April 2019 |
| Pcupdate: | 8 March 2018 |
Johann Lengoualama (born 29 September 1992) is a Gabonese professional footballer who currently plays for Al-Qous as a forward.
After playing four years in Morocco with Difaâ El Jadidi and Renaissance Sportive de Berkane, Lengoualama signed for Portugal's LigaPro side F.C. Famalicão at age 23.[2]