Category:Olympic sportspeople from Japan by sport

Olympic teams: Albania [ALB] · Algeria [ALG] · American Samoa [ASA] · Angola [ANG] · Argentina [ARG] · Armenia [ARM] · Aruba [ARU] · Australia [AUS] · Austria [AUT] · Azerbaijan [AZE] · Bangladesh [BAN] · Belgium [BEL] · Bermuda [BER] · Bosnia and Herzegovina [BIH] · Botswana [BOT] · Brazil [BRA] · Brunei [BRU] · Bulgaria [BUL] · Cameroon [CMR] · Canada [CAN] · Central African Republic [CAF] · Chile [CHI] · Chinese Taipei [TPE] · Colombia [COL] · Costa Rica [CRC] · Croatia [CRO] · Cuba [CUB] · Cyprus [CYP] · Czech Republic [CZE] · Denmark [DEN] · Dominican Republic [DOM] · East Timor [TLS] · Ecuador [ECU] · Egypt [EGY] · Eritrea [ERI] · Estonia [EST] · Ethiopia [ETH] · Fiji [FIJ] · Finland [FIN] · France [FRA] · Georgia [GEO] · Germany [GER] · Great Britain [GBR] · Greece [GRE] · Guatemala [GUA] · Haiti [HAI] · Honduras [HON] · Hong Kong [HKG] · Hungary [HUN] · Iceland [ISL] · 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] · Kosovo [KOS] · Kuwait [KUW] · Kyrgyzstan [KGZ] · Latvia [LAT] · Lebanon [LBN] · Liberia [LBR] · Liechtenstein [LIE] · Lithuania [LTU] · Luxembourg [LUX] · Malaysia [MAS] · Maldives [MDV] · Mauritius [MRI] · Mexico [MEX] · Moldova [MDA] · Monaco [MON] · Mongolia [MGL] · Montenegro [MNE] · Morocco [MAR] · Mozambique [MOZ] · Nauru [NRU] · Nepal [NEP] · Netherlands [NED] · New Zealand [NZL] · Niger [NIG] · Nigeria [NGR] · North Korea [PRK] · North Macedonia [MKD] · Norway [NOR] · Pakistan [PAK] · Panama [PAN] · People's Republic of China [CHN] · Peru [PER] · Philippines [PHI] · Poland [POL] · Portugal [POR] · Qatar [QAT] · Republic of Ireland [IRL] · Romania [ROU] · Saint Lucia [LCA] · Saudi Arabia [KSA] · Senegal [SEN] · Serbia [SRB] · Seychelles [SEY] · Sierra Leone [SLE] · Singapore [SGP] · Slovakia [SVK] · Slovenia [SLO] · South Africa [RSA] · South Korea [KOR] · Spain [ESP] · Sri Lanka [SRI] · State of Palestine [PLE] · Suriname [SUR] · Sweden [SWE] · Switzerland [SUI] · Syria [SYR] · Thailand [THA] · The Bahamas [BAH] · The Gambia [GAM] · Tonga [TGA] · Trinidad and Tobago [TTO] · Tunisia [TUN] · Turkey [TUR] · Turkmenistan [TKM] · Uganda [UGA] · Ukraine [UKR] · United States of America [USA] · United States Virgin Islands [ISV] · Uruguay [URU] · Uzbekistan [UZB] · Venezuela [VEN] · Vietnam [VIE] · Zimbabwe [ZIM]
Special teams: Australasia [ANZ] (1908–1912) · Olympic Athletes from Russia [OAR] (2018) · Russian Olympic Committee [ROC] (2020–2022) · Unified Team [EUN] (1992)
Former teams: Belarus [BLR] (1994–2022) · Bohemia [BOH] (1900–1912) · Czechoslovakia [TCH] (1920–1992) · Federation of Malaya [MAL] (1960–1988) · German Democratic Republic [GDR] (1972–1988) · Netherlands Antilles [AHO] (1952–2008) · Russia [RUS] (1994–2016) · Russian Empire [RU1] (1900–1912) · Serbia and Montenegro [SCG] (2004) · Soviet Union [URS] (1952–1964, 1972–1988) · West Germany [FRG] (1980–1988) · Yugoslavia [YUG] (1920–1952, 1964, 1972–1992)