Tejas may refer to:
- Tejas, the Native American spelling and pronunciation for Texas
In an ethnological context, Tejas may also refer to:
- a people of the Hasinai confederation of indigenous tribes
- Coahuila y Tejas, a state under the 1824 Mexican constitution that includes the region that is today Texas
- Mexican Texas
- Other uses
- Tejas and Jayhawk, code names for a microprocessor developed by Intel
- Tejas (album), the fifth album by the blues-rock band ZZ Top
- Plural of Teja (confectionery), a traditional confectionery from Peru and Spain
- HAL Tejas, an Indian combat aircraft
- The roofing tiles used in late (post-1790) California mission architecture.