William Strudwick Arrasmith (July 15, 1898 – November 30, 1965) was an American architect known for his designs for Greyhound bus stations in the Streamline Moderne style popular in the 1930s and 1940s.

William Arrasmith was born on July 15, 1898, to Thomas and Mary Strudwick at Hillsboro, North Carolina, in the United States.

The firm's notable buildings included the Federal Land Bank and the Louisville Scottish Rite Temple (on which Arrasmith is not credited).

As of 2015 the firm was trading as Arrasmith, Judd, Rapp, Chovan, Inc.[1] He was known for his designs for Greyhound bus stations in the Streamline Moderne style that was popular in the 1930s and 40s.

Following the Ohio River flood of 1937 he led efforts to build a pontoon bridge to link Louisville's downtown to the East End.