Alan Randal Olsen is an American Republican politician who served in the Oregon State Senate from 2011 until 2021, representing Oregon's 20th Senate district in southeastern Clackamas County, including the cities of Barlow, Canby, Gladstone, Johnson City, Oregon City, and portions of Milwaukie. He defeated incumbent Democrat Martha Schrader in the 2010 election.

Canby is a city in Clackamas County, Oregon, United States. The population was 18,171 at the 2020 census. It is along Oregon Route 99E, 2 miles (3 km) northeast of Barlow.