Si Racha is a town in Chonburi Province, Thailand.
Si Racha, Sri Racha or Sriracha may refer to:
- Si Racha district, the district surrounding the town of Si Racha, Thailand
- Sriracha, a sauce named after the town, which has become a genericized term for several chili sauces
- Sriracha F.C., now Thawiwatthana F.C., a football club based in Si Racha, Thailand
- "Sriracha", a 2016 song by Tech N9ne from The Storm