Sarn

Sarn or SARN may refer to:
 * Sarn, the titular volcanic planet in Planet of Fire.
 * SARN Residential Care Home, a residential home in the fictional Upper Leadworth of one of the Dream Lord's imposed dreams in Amy's Choice.
 * Sarn (Time and the Rani), a Lakertyan forced to serve the Rani in Time and the Rani.