Tomeček (feminine Tomečková) is a Czech surname. Notable people with the surname include:
- Jakub Tomeček (born 1991), Czech sport shooter
- Jan Tomeček, (born 1990), Czech ice hockey player
- Lubomír Tomeček, (born 1979) Czech mountain bike orienteer
- Nikola Tomečková, (born 1974) Czech javelin thrower
- Vojtěch Tomeček (born 1994), Czech professional ice hockey player
- Samuel Tomeček (born 1989), Slovak singer