- Source: Olaf L. Olsen
- Olaf's Frozen Adventure
- Gereja Lutheran
- Martin Luther
- 95 dalil Luther
- Frk. Møllers jubilæum
- Skuad Piala Dunia FIFA 1998
- Sola scriptura
- Sola gratia
- Disputasi Heidelberg
- Doktrin dua kerajaan
- Olaf L. Olsen
- Olaf Olsen
- Olaf C. Olsen
- Trysil
- Johan Olsen (pastor)
- Lars Olsen Skrefsrud
- List of musicals: A to L
- Ole Rømer
- Maglemosian culture
- Norway at the 1920 Summer Olympics
Olaf L. Olsen (February 1, 1881 in Trysil, Norway – February 6, 1958 in Seattle) was a Republican member of the Washington House of Representatives who represented the 4th District (parts of Spokane County) from 1917 until his resignation in May 1925.