美洲獭属（学名Lontra）是产于美洲大陆的水獭，过去曾与水獭属并为一属，包括四种：

• 北美水獭 (Lontra canadensis)
• 智利水獭 (Lontra provocax)
• 长尾水獭 (Lontra longicaudis)
• 猫獭 (Lontra felina)

Lontra is a genus of otters from the American continent.

The genus comprises four species:

These species were previously included in the genus Lutra, together with the European otter, but they have now been moved to a separate genus.