Terrellians might refer to: * Terrellian (Alpha Quadrant), the species found in the Alpha Quadrant * Terrellian (Delta Quadrant), the species found in the Delta Quadrant You might also be looking for: * Terellian, a four-armed race native to the Alpha and Beta Quadrants * Terrelian, a race visiting Deep Space 9 in 2371 * Tarellian, a humanoid species that suffered a dreadful plague * Tyrellian, a species known for its laser art