Clifford Grey (5 January 1887 – 25 September 1941) was an English songwriter, librettist and actor. His birth name was Percival Davis, and he was also known as Clifford Gray.
Grey contributed prolifically to West End and Broadway shows, as librettist and lyricist for composers including Ivor Novello, Jerome Kern, Howard Talbot, Ivan Caryll and George Gershwin. Among his best-remembered songs are two from early in his career, in 1916: "If You Were the Only Girl (In the World)" and "Another Little Drink Wouldn't Do Us Any Harm". His later hits include "Got a Date with an Angel" and "Spread a Little Happiness".
For 35 years after 1979 it was widely believed that Grey secretly competed as an American bobsleigher, under the name Clifford "Tippy" Gray, in two Winter Olympics, in 1928 and 1932, winning gold medals, but it was finally shown that the sportsman was a different person.
Grey was born in Birmingham, Warwickshire, the son of George Davis, a whip manufacturer, and his wife Emma, née Lowe. He was educated at the Camp Hill Boys School and the King Edward VI School. On leaving school in 1903 he had a variety of office jobs, in none of which he had any success. He became a pierrot with a local concert party, and adopted the stage name Clifford Grey, performing in pubs, piers and music halls. By the time he married in 1912 he had reduced his stage performing in favour of writing lyrics for West End shows. His wife was Dorothy Maud Mary Gould (1890 or 1891–1940), a fellow member of the concert party. They had two daughters, June and Dorothy; Grey also adopted Gould's daughter. Their marriage lasted until Dorothy's death.