John Claude Neraz (January 12, 1828 – November 15, 1894) was a French-born clergyman of the Roman Catholic Church.

[1] In 1852, he accepted an invitation from Bishop Jean-Marie Odin to serve as a missionary in the U.S. state of Texas.

[1] On February 18, 1881, Neraz was appointed the second Bishop of San Antonio by Pope Leo XIII.

[2] In 1884, he attended the Third Plenary Council of Baltimore, where he was active in discussions on the evangelization of the African American community.

[1] During his tenure, he oversaw the establishment of St. Edward's College, the first parochial school in the diocese, a new chancery building, and a church for the black Catholics of San Antonio.