João Baptista N'Tyamba (born 20 March 1968) is an Angolan runner. He was born in Lubango.

He started as a middle-distance runner and competed in the 800 meters at 1988 Summer Olympics. He then competed in the 1500 metres at the 1991 World Championships, the 1992 Summer Olympics, and the 1996 Summer Olympics and, in 3000 metres, at the 1995 IAAF World Indoor Championships. He never reached the final in any of these events.

He then shifted to the longer distances, competing in 10,000 metres at the World Championships in 1997, 1999, and 2001, with a thirteenth place from 1999 as his best finish. He competed in the marathon at two consecutive Olympic Games, placing seventeenth in 2000 and 53rd in 2004.

N'Tyamba holds the Angolan records in 800 metres, 1000 metres, 1500 metres, 3000 metres, 10,000 metres, half marathon, and marathon.

When N'Tyamba competed in the marathon at 2008 Olympics he became the first male track and field athlete to compete at six Olympics. The other track and field athletes who have competed at six Olympics are Merlene Ottey, Lia Manoliu, Tessa Sanderson, and Maria Mutola.

Achievements Representing 1988Olympic GamesSeoul, South Korea56th (h)800 m1:53.231991World ChampionshipsTokyo, Japan –800 mDQ22nd (sf)1500 m3:44.641992Olympic GamesBarcelona, Spain20th (h)1500 m3:39.541995World Indoor ChampionshipsBarcelona, Spain16th (h)3000 m8:03.931996Ibero-American Championships Medellín, Colombia5th1500 m3:45.41Olympic Games Atlanta, United States44th (h)1500 m3:46.411997World ChampionshipsAthens, Greece25th (h)10,000 m29:38.921999World ChampionshipsSeville, Spain13th10,000 m28:31.092000Olympic GamesSydney, Australia17thMarathon2:16:432001World ChampionshipsEdmonton, Canada20th10,000 m28:38.312003World ChampionshipsParis, France—MarathonDNFAll-Africa GamesAbuja, Nigeria8thMarathon2:33:192004Olympic GamesAthens, Greece53rdMarathon2:23:262008Olympic GamesBeijing, China –MarathonDNF

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