Layng () is a variant of the surname Laing.
Notable people with the surname include: Henry Layng (died 1726), English Anglican priest Kathryn Layng (born 1960), American actress Mabel Frances Layng (1881–1937), British artist Thomas Layng (1892–1958), British soldier and clergyman
Notable people who have it as a first or middle name:
Layng Martine Jr., American songwriter