Alfred L. Thwing (April 1, 1876 – August 24, 1945) was an American lawyer and politician.
Thwing was born in Fond du Lac, Wisconsin.
In 1901, he moved to Grand Rapids, Itasca County, Minnesota.
Thwing lived in Grand Rapids, Minnesota with his wife and family and practiced law in Grand Rapids.
Thwing then served as judge of the Minnesota District Court from 1930 until his death in 1945.