Sikhoraphum (Thai: ศีขรภูมิ, pronounced [sǐː.kʰɔ̌ː.rā.pʰūːm]) is a district (amphoe) in the central part of Surin province, northeastern Thailand.

Sikhoraphum is approximately 30 minutes from Mueang Surin by train.

Round about 1950s, Sikhoraphum was home to Thai Chinese people.

King Bhumibol Adulyadej (Rama IX) and his wife Queen Sirikit used to travel here by train to Ubon Ratchathani.

[1] The district is divided into 15 sub-districts (tambons), which are further subdivided into 226 villages (mubans).