Asociația Clubul Sportiv KSE Târgu Secuiesc, commonly known as KSE Târgu Secuiesc or KSE, is a Romanian professional football club based in Târgu Secuiesc, Covasna County. KSE was founded in 1912 and is the second team from Covasna (a county with a majority of Székely ethnics) as ranking in the Romanian football, after Sepsi OSK Sfântu Gheorghe. Name of the club is a mix of Hungarian and Romanian, KSE (abbreviation for Kézdivásárhelyi Sportegyesület – Târgu Secuiesc Sports Association) and ACS Târgu Secuiesc (abbreviation for Asociația Club Sportiv Târgu Secuiesc – Târgu Secuiesc Sports Association).