Marien Michel Ngouabi (born 3 June 1980) is a Congolese former swimmer, who specialized in sprint freestyle events. Ngouabi represented the Republic of the Congo at the 2000 Summer Olympics, where he became the nation's flag bearer in the opening ceremony. He is also the grandson of Marien Ngouabi, the former president of the Republic of the Congo.
|Full name||Marien Michel Ngouabi|
|National team||Republic of the Congo|
|Born||3 June 1980|
|Height||1.72 m (5 ft 8 in)|
Ngouabi competed only in the men's 100 m freestyle at the 2000 Summer Olympics in Sydney. He received a Universality place from FINA, in an entry time of 59.50. He challenged six other swimmers in heat two, including 15-year-olds Ragi Edde of Lebanon and Dawood Youssef of Bahrain. He pulled himself farther from the top field to a sixth seed in 1:00.39, almost a full second below his entry standard and 6.84 seconds behind leader Gregory Arkhurst of Côte d'Ivoire. Ngouabi failed to advance into the semifinals, as he placed sixty-eighth overall in the prelims.
- Evans, Hilary; Gjerde, Arild; Heijmans, Jeroen; Mallon, Bill; et al. "Marien Michel Ngouabi". Olympics at Sports-Reference.com. Sports Reference LLC. Archived from the original on 18 April 2020. Retrieved 13 June 2013.
- Kesseng, Rachel (29 August 2011). "Marien Michel Ngouabi: Un talent au-delà du seul nom" [Marien Michel Ngouabi: A talent beyond one name] (in French). Journal de Brazza. Retrieved 13 June 2013.
- "Swimming – Men's 100m Freestyle Startlist (Heat 2)" (PDF). Sydney 2000. Omega Timing. Retrieved 23 April 2013.
- "Sydney 2000: Swimming – Men's 100m Freestyle Heat 2" (PDF). Sydney 2000. LA84 Foundation. p. 113. Archived from the original (PDF) on 19 August 2011. Retrieved 19 April 2013.
- "Wide-open race in the men's 100 free". Canoe.ca. 18 September 2000. Retrieved 3 June 2013.