Terra can refer to many things:

• Terra or Tellus was a primeval Roman goddess.
• Terra is the Latin name for the Earth, and, in futuristic science fiction, is often used as the post-space colonization era name for Earth.
• Terra is the name of a research satellite launched by NASA in 1999
• Roncevaux Terra is the name of a side on Saturn's moon Iapetus
• Terra cotta is a ceramic clay
• Terra is French and Portuguese for earth
• Terra is an Internet company headquartered in Spain (Terra Networks, S.A.)
• Terra nullius, a Latin expression, meaning, when directly translated, "The Earth is nothing."

Terra in the names of people:

• Terra Branford is a character in the video game Final Fantasy VI
• Terra is the name of a DC Comics character who infiltrated and betrayed the Teen Titans.
• TËЯRA is a musical group in the video game Dance Dance Revolution, consisting of the artists Junko Karashima and Naoki Maeda.

Terra in place names:

• Terra Alta is a county in Catalonia
• Terra Alta, West Virginia is a town in the United States
• Terra Bella, California is a town in the United States
• Terra Scania, territory once part of Denmark, now part of Sweden
• Spring Garden-Terra Verde, Texas is a town in the United States
• Terra Mar, Florida