William Helm (March 9, 1837 – April 10, 1919) was an American sheep farmer and among the early pioneer settlers of Fresno County, California.

[1] Helm brought his wife and his sheep to Fresno county, which was then a vast space of open land, before the railroad came through the valley.

In carrying his wool to market at Stockton, he used three wagons, each drawn by ten mules, and spent twelve days in making the round trip.

He bought additional land to establish a winter camp for his sheep on the present site of the Fresno court house.

[1] In 1881, because of a growing family, Helm bought the block bounded by Fresno, R, Merced and S Streets from Louis Einstein.