WAG
- Name: Nationaal Herbarium Nederland, Wageningen University branch, Wageningen, Netherlands
- Herbarium Code: WAG
- Current Status: Permanently closed
- Number of Specimens:
- Taxonomic Coverage: Cultivated ornamentals; food plants; mainly vascular plants
- Geography: Worldwide, especially tropical Africa, Mediterranean, and Europe
- Date Founded: Established in 1999 through a decentralized merger of the major university herbaria of Leiden (also known as the Rijksherbarium), Utrecht and Wageningen; see L.