- Family: Mordellidae; Latreille, 1802
- Scientific name: Mordellidae
- Phylum: Arthropoda
- Order: Beetle
- Rank: Family
- Higher classification: Tenebrionoidea
The Mordellidae are a family of beetles commonly known as tumbling flower beetles for the typical irregular movements they make when escaping predators, or as pintail beetles due to their abdominal tip which aids them in performing these tumbling movements. Worldwide, there are about 1500 species.