Category:2004 Summer Olympics sportspeople from Nigeria

Olympic teams: Afghanistan [AFG] · Algeria [ALG] · Angola [ANG] · Antigua and Barbuda [ANT] · Argentina [ARG] · Australia [AUS] · Austria [AUT] · Azerbaijan [AZE] · Barbados [BAR] · Belgium [BEL] · Brazil [BRA] · Bulgaria [BUL] · Cameroon [CMR] · Canada [CAN] · Chinese Taipei [TPE] · Colombia [COL] · Costa Rica [CRC] · Croatia [CRO] · Cuba [CUB] · Cyprus [CYP] · Czech Republic [CZE] · Denmark [DEN] · Dominican Republic [DOM] · Estonia [EST] · Ethiopia [ETH] · Finland [FIN] · France [FRA] · Georgia [GEO] · Germany [GER] · Ghana [GHA] · Great Britain at the Olympics [GBR] · Greece [GRE] · Guatemala [GUA] · Haiti [HAI] · Hong Kong [HKG] · Hungary [HUN] · India [IND] · Indonesia [INA] · Iran [IRI] · Iraq [IRQ] · Israel [ISR] · Italy [ITA] · Ivory Coast [CIV] · Jamaica [JAM] · Japan [JPN] · Jordan [JOR] · Kazakhstan [KAZ] · Kenya [KEN] · Kuwait [KUW] · Kyrgyzstan [KGZ] · Latvia [LAT] · Lithuania [LTU] · Malaysia [MAS] · Mali [MLI] · Mexico [MEX] · Moldova [MDA] · Monaco [MON] · Mongolia [MGL] · Morocco [MAR] · Netherlands [NED] · New Zealand [NZL] · Nigeria [NGR] · North Korea [PRK] · North Macedonia [MKD] · Norway [NOR] · Pakistan [PAK] · Panama [PAN] · Paraguay [PAR] · People's Republic of China [CHN] · Peru [PER] · Poland [POL] · Portugal [POR] · Puerto Rico [PUR] · Qatar [QAT] · Romania [ROU] · Singapore [SGP] · Slovakia [SVK] · Slovenia [SLO] · South Africa [RSA] · South Korea [KOR] · Spain [ESP] · Sweden [SWE] · Switzerland [SUI] · Thailand [THA] · The Bahamas [BAH] · The Gambia [GAM] · Trinidad and Tobago [TTO] · Tunisia [TUN] · Turkey [TUR] · Ukraine [UKR] · United States [USA] · Uzbekistan [UZB] · Venezuela [VEN]
Former teams: Belarus [BLR] (1994–2022) · Federation of Malaya [MAL] (1960–1988) · Netherlands Antilles [AHO] (1952–2008) · Russia [RUS] (1994–2016) · Serbia and Montenegro [SCG] (2004)

Summer Olympic Games: 1988 Seoul · 1992 Barcelona · 1996 Atlanta · 2000 Sydney · 2004 Athens · 2008 Beijing · 2012 London · 2016 Rio de Janeiro · 2020 Tokyo (postponed, 2021) · 2024 Paris