Don Janse (??-1999) was a famous vocal director and arranger from Old Lyme, Connecticut. He was best known for his work at the United States Coast Guard Academy, where he directed The Idlers from 1957 until his retirement in 1987. Over the years he entertained Presidents and Kings.
In later years he directed the Don Janse Chorale and wrote many original pieces for choir. His groups were recorded on the Pickwick  and Design  labels. The Don Janse Chorale also performed numerous tracks on the Singer (Sewing Machine) Company's first consumer record album - "Favorite Christmas Songs from Singer" (September 21, 1964).
Don Janse died August 8, 1999. His wife Helen (Haskins) Janse (1921–2004), a long-time contributor and regular accompanist to Don's work, died April 28, 2004.
- Robert Finan (April 2005). "Don Janse and the Original Idlers - Fall 1957". Retrieved 2006-09-08.
- Pickwick Discography See Listing: KX-2, KX-3, KX-5, KX-6, retrieved 2006-09-08
- Design Discography See Listing: DLPX-13, retrieved 2006-8-28
- Day Staff Writer (2004-04-30). "Janse, Helen". Archived from the original on 2011-05-24. Retrieved 2006-09-09.