Sir Robert Groves Sandeman, KCSI (1835–1892), Colonial British Indian officer and administrator, is the son of General Robert Turnbull Sandeman, and was born on 25 February 1835.

He is educated at Perth and University of St. Andrews, and joins the 33rd Bengal Infantry in 1856.

When this regiment is disarmed at Phillour by General John Nicholson during the Indian Rebellion of 1857, he takes part in the final capture of Lucknow as adjutant of the 2nd Bengal Lancers.

After the suppression of the Mutiny, he is appointed to the Punjab Commission by Sir John Lawrence.