Cornelius Tuwei

{{Infobox sportsperson {{MedalCountry | {{KEN}} }}}
 * name             = Cornelius Tuwei
 * image            = 2019-09-01_ISTAF_2019_1500_m_(Martin_Rulsch)_09_(cropped).jpg
 * imagesize        =
 * caption          = Tuwei at the 2019 ISTAF Berlin
 * fullname         = Cornelius Kipkoech Tuwei
 * birth_date       = {{birth date and age|1993|5|24|df=yes}}
 * birth_place      = Nandi County, Kenya
 * height           = 5'9"
 * weight           = 67kg
 * sport            = Athletics
 * event            = 800 metres, 1500 metres
 * club             =
 * education        =
 * coach            =
 * pb               =
 * highestranking   = 6 (800m)
 * medaltemplates   = {{MedalSport | Athletics}}

}} Cornelius Kipkoech Tuwei (born 24 May 1993) is a Kenyan middle-distance runner specialising in the 800 metres.

Personal bests
Outdoor Indoor
 * 400 metres – 46.94 (Nairobi 2016)
 * 600 metres – 1:15.40 (Liège 2023)
 * 800 metres – 1:43.76 (Heusden-Zolder 2021)
 * 1000 metres – 2:16.89 (Székesfehérvár 2018)
 * 1500 metres – 3:35.34 (Berlin 2019)
 * 800 metres – 1:46.47 (Toruń 2021)
 * 1500 metres – 	3:38.91 (Luxembourg 2021)