Villosa is a genus of freshwater mussels, aquatic bivalve molluscs in the family Unionidae.

Species within the genus Villosa:

• Villosa amygdala
• Villosa arkansasensis - Ouachita creekshell
• Villosa choctawensis - Choctaw bean
• Villosa constricta
• Villosa delumbis
• Villosa fabalis - Rayed bean
• Villosa iris - Rainbow mussel
• Villosa lienosa
• Villosa nebulosa
• Villosa ortmanni
• Villosa perpurpurea - Purple bean
• Villosa taeniata - Painted creekshell
• Villosa trabalis - Cumberland bean pearly mussel
• Villosa umbrans
• Villosa vanuxemensis
• Villosa vaughaniana - Carolina creekshell
• Villosa vibex
• Villosa villosa