KNSM (91.5 FM) is a radio station licensed to Mason City, Iowa. The station is owned by Iowa Public Radio, Inc., and carries the network's "News and Information" and "Studio One" services.

• See also Iowa Public Radio

• Iowa Public Radio
• Facility details for Facility ID 69284 (KNSM) in the FCC Licensing and Management System
• KNSM in Nielsen Audio's FM station database

43°09′25″N 93°08′13″W / 43.157°N 93.137°W / 43.157; -93.137