- Coffee by Aesop Rock prod. by Blockhead
- Coffee (Figure Remix) by Aesop Rock prod. by Figure
- Coffee - Instrumental by Aesop Rock
- Cold Milk Bottle by The Mountain Goats
- Collapsing Stars by The Mountain Goats prod. by John Vanderslice
- Collapsing Stars (Demo) by The Mountain Goats
- Color in Your Cheeks by The Mountain Goats
- Color in Your Cheeks by Ibibio Sound Machine prod. by Max Grunhard
- Colour in your cheeks (mountain goats cover) by Local News Legend
- Columns Pillars Steps by The Mountain Goats & John Vanderslice prod. by Chris Stamey
- Commandante by The Mountain Goats
- Corsican Mastiff Stride by The Mountain Goats prod. by Matt Ross-Spang
- Corsican Mastiff Stride (The Jordan Lake Sessions Volume 4) by The Mountain Goats
- Cotton by The Mountain Goats prod. by John Vanderslice & Scott Solter
- Counterfeit Florida Plates by The Mountain Goats prod. by Brandon Eggleston
- Counting Song for Bitter Children by The Mountain Goats
- Crane by The Mountain Goats
- Creature Song by The Mountain Goats
- Crows by The Mountain Goats
- Cruiserweights by The Extra Lens