Adam Piotr Kszczot (pronounced [ˈadam ˈkʂt͡ʂɔt]; born 2 September 1989) is a retired Polish middle-distance runner who specialised in the 800 metres.

His older brother Jacek died at age 17 as a result of electric shock during agricultural work.

Kszczot broke Paweł Czapiewski's 10-year-old Polish indoor record at the 2012 Meeting Pas de Calais.

His time of 1:44.57 made him the third fastest indoor runner ever after Wilson Kipketer and Yuriy Borzakovskiy.

He started well in the 2013 season by successfully defending his title at the European Indoor Championships, the first man to do so in 42 years.

On August 15, 2014 he won the men’s 800m final at the 2014 European Athletics Championships with a time of 1:44:15 after a blistering last 100m sprint.

[7] He controlled the final run, the pace of which was quite slow and won with a large advantage over American Drew Windle and Spanish Saúl Ordóñez.