KTMK (91.1 FM) is a non-commercial educational radio station licensed to serve Tillamook, Oregon, United States.

The Tillicum Foundation received the original construction permit for this station from the Federal Communications Commission on July 29, 2002.

[3] The new station was assigned the KTMK call sign by the FCC on March 20, 2003.

[4] In August 2002, the Tillicum Foundation reached an agreement to sell this station to Oregon Public Broadcasting.

The deal was approved by the FCC on October 1, 2002, and the transaction was consummated on January 16, 2003.