PTTC may refer to:
- Petroleum Technology Transfer Council, an American national not-for-profit organization
- Public Transport Ticketing Corporation of the Australian Government
- Philippine Trade Training Center, an agency of the Philippine Government
The Provincial Teacher Training College , located in Siem Reap, Siem Reap Province, Cambodia, is a two-year college for students, who enter after they have completed either 9 or 12 years of school education. Graduates of the college teach in primary schools in Cambodia.