- BARK stands for Beta-Adrenergic Receptor Kinase
- BARK stands for Bay Area Rescue Keeshonden, Inc. (Los Altos, CA)
- BARK stands for Belleville Area Rescue of K-9s (Belleville, IL)
- BARK stands for Brisbane and Region K9 Disc Club (est. 2003; Australia)
- BARK stands for Buckles, Anchors, Rappel Device, Knots (mountaineering/climbing)
- BARK stands for Blairstown Animal Rescue Korp (Blairstown, NJ)
BARK