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Arthur Woodbury Sager (July 4, 1904 – January 17, 2000) was an American track and field athlete who competed in the 1928 Summer Olympics.

He was born in Gardiner, Maine and died in Boxford, Massachusetts. He worked at the Governor Dummer Academy and wrote a book called Speak Your Way to Success.

In 1928, he finished tenth in the javelin throw competition.

He is the maternal grandfather of Seth and Rachael MacFarlane.