Arthur Phillips Murphy (December 10, 1870 – February 1, 1914) was a U.S. Representative from Missouri.

He was admitted to the bar March 4, 1894, and commenced practice in Rolla, Missouri.

Murphy was an unsuccessful candidate for election as prosecuting attorney of Pulaski County in 1898.

In 1902, Murphy was appointed by President Theodore Roosevelt as attorney for the Creek Nation of Indians,[1] a position he held until 1904.

He was an unsuccessful candidate for reelection in 1910 to the Sixty-second Congress, and resumed the practice of law.