The Secaș (also: Secașul Mic) is a left tributary of the river Târnava in Romania. It discharges into the Târnava in Obreja. Its length is 37 km (23 mi) and its basin size is 350 km (140 sq mi).

Tributaries

The following rivers are tributaries to the river Secaș (from source to mouth):

• Left: Lunca Satului, Valea Pustie, Trecătoarea, Valea Hăncii, Păuca, Gârdan, Ungurei, Valea lui Sânui, Bolânda, Ohaba, Gârbău, Valea Seacă, Henig, Valea Largă