John Robert Somers-Smith MC (15 December 1887 – 1 July 1916) was an English rower who competed in the 1908 Summer Olympics.

Although he did not row for Oxford, his brother, Richard Somers-Smith, took part in the Boat Race in 1904 and 1905.

The Magdalen College Coxless four that John rowed with won the Wyfold Challenge Cup and the Visitors' Challenge Cup in 1907, with another double win in the Stewards' and the Visitors' at the Henley Royal Regatta in 1908,[5] and was selected to represent Great Britain in rowing at the 1908 Summer Olympics, Somers-Smith was stroke of the four along with Collier Cudmore, James Angus Gillan and Duncan Mackinnon.

Somers-Smith served with the 5th London Regiment (London Rifle Brigade), part of the Territorial Force of the British Army during the First World War, and was awarded the Military Cross for gallantry in action as a captain in 1915 at the 2nd Battle of Ypres.

He fell in action at the opening of the Battle of the Somme offensive on 1 July 1916, aged 28, during the assault by the 56th (London) Division at Gommecourt.