William H. Murtha (January 3, 1841, in Brooklyn, Kings County, New York – April 15, 1891, in Brooklyn, Kings Co., NY) was an American merchant and politician from New York.
He was born on January 3, 1841, in Brooklyn, New York, to James Murtha.
Murtha was a member of the highly rated amateur Enterprise Club of Brooklyn baseball team, who played in the early pre-professional years.
At the beginning of the American Civil War, he was appointed as a clerk in the mustering bureau at the Brooklyn Navy Yard, but retired to establish a coal yard, and made a fortune out of this business.
He died on April 15, 1891, at his home at 132 Joralemon Street, in Brooklyn, of pneumonia.