Henrietta Cornelia Mears (October 23, 1890 – March 19, 1963) was a Christian educator and author who had a significant impact on evangelical Christianity in the 20th century. She is best known for her work as Christian Education Director of First Presbyterian Church of Hollywood, California. Literally hundreds of men and women came out of her Sunday School program into full-time Christian service. She was a gifted educator and was known as “Teacher” by those in her program.