WSUF (89.9 FM) is a radio station licensed to Noyack, New York and serves the eastern Long Island and southeastern Connecticut areas. It is owned by Sacred Heart University.

It broadcasts a news/talk radio and classical music format that includes programming from NPR, Public Radio International, and American Public Media. For most of the time, it acts as a full satellite of WSHU, though on Sunday mornings and afternoons it simulcasts WSHU-FM's classical programming.

The station was assigned the WSUF call letters by the Federal Communications Commission on October 1, 1993.

Broadcast translators for WSUF

Call sign	Frequency	City of license	FID	HAAT	Transmitter coordinates	FCC info	Notes
W227AJ	93.3 FM	Northford, Connecticut	58517	179 m (587 ft)	41°25′10.3″N 72°42′41.3″W / 41.419528°N 72.711472°W / 41.419528; -72.711472 (W227AJ)	LMS	Relays WSUF HD1
W289AD	105.7 FM	Selden, New York	58508	143 m (469 ft)	40°50′32.3″N 73°2′21.3″W / 40.842306°N 73.039250°W / 40.842306; -73.039250 (W289AD)	LMS	Relays WSUF HD1
W298BN	107.5 FM	Noyack, New York	58518	104.5 m (343 ft)	40°58′19.3″N 72°20′52.2″W / 40.972028°N 72.347833°W / 40.972028; -72.347833 (W298BN)	LMS	Relays WSUF HD2

• WSHU (AM) — 1260 AM, licensed to Westport, Connecticut
• WSHU-FM — 91.1 FM, licensed to Fairfield, Connecticut

• WSHU Public Radio Group official website — includes WSUF schedule
• Facility details for Facility ID 58516 (WSUF) in the FCC Licensing and Management System
• WSUF in Nielsen Audio's FM station database