Dirk Koperlager van Erp (1862–1933) was a Dutch American artisan, coppersmith and metalsmith, best known for lamps made of copper with mica shades, and also for copper vases, bowls and candlesticks. He was a prominent participant in the Arts and Crafts Movement, and was active in Oakland and San Francisco, California.
- Occupation
- artist
- Citizenship
- United States
- Born
- 1860, January 4, 1862
- Died
- 1933