TIAS or Tias can refer to:
Places
- Tías, Las Palmas, a municipality in the Canary Islands of Spain in the Atlantic
People
- Tias Eckhoff (1926–2016), Norwegian industrial designer
- Tias Mortigjija (1913–1947), Croatian journalist
Groups, companies, organizations
- Taoyuan International Airport Services Limited, Taiwan, provides ground handling
- Tecnia Institute of Advanced Studies, Delhi, India, a college
- TIAS School for Business and Society, a leading business school in the Netherlands
- TIAS.com ("The Internet Antique Store"), American marketplace for antiques and collectibles
Other uses
- Treaties and Other International Acts Series published by the United States Department of State
See also
- TIA (disambiguation)