Kei Saito

{{Short description|Japanese short track speed skater (born 1996)}}

{{BLP sources|date=February 2018}}

{{Infobox sportsperson

| honorific_prefix =

| name = Kei Saito

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| native_name = 齋藤慧

| native_name_lang = jpn

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| nationality =

| national_team = Japan

| ethnicity = Japanese

| citizenship = Japan

| birth_date = {{birth date and age|1996|02|20}}

| birth_place = Japan

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| residence = Sagamihara, Kanagawa, Japan

| education =

| alma_mater = Kanagawa University

| occupation = Short-track speed skater
Student

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| height = 161 cm

| weight = 55 kg

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| other_interests = Fishing

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| country = Japan

| sport = Speed skating

| position = Reserve

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| event = Men's 500 metre
Men's 1,000 metre
Men's 1,500 metre
Men's 5,000 metre relay

| event_type = Short-track

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| coach = Jonathan Guilmette
Saburo Imai

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{{Nihongo|Kei Saito|齋藤慧|Saitō Kei}} is a Japanese short-track speed skater.{{cite web|title=Short Track Speed Skating {{!}} Athlete Profile: Kei SAITO - Pyeongchang 2018 Olympic Winter Games|url=https://www.olympic.org/pyeongchang-2018/results/en/short-track-speed-skating/athlete-profile-n3014445-kei-saito.htm|website=Olympics|accessdate=24 February 2018|language=en}} He is known for being the first case of doping at the 2018 Winter Olympics after he was found to have been using acetazolamide.{{cite web|title=Japanese speedskater Kei Saito suspended in Pyeongchang Olympics' first doping case|url=https://www.thestar.com/sports/olympics/2018/02/12/japanese-speedskater-kei-saito-suspended-in-pyeongchang-olympics-first-doping-case.html|website=The Star|accessdate=24 February 2018|language=en|date=12 February 2018}}