Keith Briscoe Irvine (14 October 1928, Aberdeen, Scotland – 31 May 2011, Carmel, New York) was an American-based interior designer of Scottish descent.
He trained at the Kingston Art School, then did his military service in the Seaforth Highlanders in Malaysia during the Malayan Emergency.
His first celebrity job was an apartment in Eaton Square for Sir Laurence Olivier and Vivian Leigh, as well as working on their country house.
Many successful designers started their careers as Irvine's assistant, such as Tom Fleming, Mario Buatta, Sam Blount, Gary Zarr, Richard Keith Langham, Greg Jordan, Edwin Jackson, and Jason Bell.
Keith Irvine's celebrity clients included Leonard Bernstein, William F. Buckley Jr., Cary Grant, Rex Harrison, Vivien Leigh, Laurence Olivier, Jacqueline Kennedy Onassis, Ted Kennedy, Jerome Robbins, Diana Ross, Alfred Gwynne Vanderbilt Jr., and Wallis, Duchess of Windsor, and many more.