John Latta (March 2, 1836 – February 15, 1913) was an American lawyer and politician from Pennsylvania who served as the first lieutenant governor of Pennsylvania from 1875 to 1879.

He was admitted to the Westmoreland County bar in 1859 and opened a law firm in Greensburg, Pennsylvania.

[2] In 1865, he married Emma Hope and together they had 4 children.

He served as a member of the Pennsylvania House of Representatives from 1872 to 1873.

[5] Under the new Pennsylvania Constitution that went into effect on 1 January 1874,[6] he was the first elected lieutenant governor and served under Republican Governor John Hartranft.