Per Axel Rydberg
| Per Axel Rydberg | |
|---|---|
| Born | July 6, 1860 Odh, Västergötland, Sweden | 
| Died | July 25, 1931 (aged 71) | 
| Resting place | Woodlawn Cemetery Bronx, New York | 
| Nationality | American | 
| Alma mater | University of Nebraska–Lincoln Columbia University | 
| Scientific career | |
| Fields | Botany | 
| Institutions | New York Botanical Garden | 
| Author abbrev. (botany) | Rydb. | 
Per Axel Rydberg (July 6, 1860 – July 25, 1931) was a Swedish-born, American botanist who was the first curator of the New York Botanical Garden Herbarium.