Robert Lock (British Army officer)

Sir Robert Ferguson Lock KBE CB (13 December 1879 – 25 July 1957) was a British major general in the Royal Artillery who served during the First World War. He was awarded the CB in 1937 and KBE in 1944.

In 1910 he married Kathleen Beryl Penton, daughter of Arthur Pole Penton CB, CMG, CVO in 1910. They had a daughter Ursula whose second husband was the composer Ralph Vaughan Williams, another daughter, and a son Robert John Penton Lock who also served as an artilleryman in the Second World War, dying in 1944.