When asked where material from the show comes from, Jared Keeso says about half of the show is made up by him and his writing partner, while the other half is based on things he saw while he went to town in rural Canada playing hockey.
Based on the YouTube series of shorts, "Letterkenny Problems".
Filmed in Sudbury, Ontario.
The Letterkenny Irish Hockey Club that Jonesy and Riley play for, is named after the real life town of Letterkenny in Ireland.
In 2020 on the Academy Awards red carpet, Brad Pitt admitted being a fan of Letterkenny.