Waln or WALN may refer to:
People Frank Waln, a Sicangu Lakota rapper from South Dakota, United States Nora Waln (1895–1964) American journalist, author of The House of Exile Robert Waln (1765–1836) a United States Representative from Pennsylvania.
Other uses WALN (FM), a radio station (89.3 FM) in Carrollton, Alabama, United States Western Australia Landcare Network, an affiliate of Landcare Australia