Tierra

Tierra is the name of various distinct things:

• "Tierra" is the Spanish word for "earth", 'Earth'
• Tierra, a computer simulation of life by the ecologist Thomas S. Ray.
• Tierra, a 1996 movie by the Spanish filmmaker Julio Medem.
• Tierra Entertainment, now known as AGD Interactive, is a non-profit game company specializing in remakes of classic adventure games by Sierra Entertainment.