Senec may refer to:
Places Senec District, Bratislava Region, western Slovakia Senec, Slovakia, capital of Senec District Senec (Rakovník District), a village in the Central Bohemian Region, Czech Republic Zruč-Senec, a village in Plzeň Region, Czech Republic
Sports FC Senec, a football club based in Senec, Slovakia, active 1994–2008 ŠK Senec, a football club based in Senec, Slovakia, active 1994–2016 MŠK Senec, a football club based in Senec, Slovakia, active 2014–present
Other uses Senec, a German solar storage manufacturer; subsidiary of EnBW
See also Seneca (disambiguation)