Dilution may refer to:

Doug Batchelor (born March 9, 1957) is an evangelist of the Seventh-day Adventist Church and author of several books including The Richest Caveman. His primary ministry is Amazing Facts - a worldwide television and radio broadcast ministry based in Sacramento, California. He also pastors the Sacramento Central Seventh-day Adventist Church. Batchelor is the son of the Florida aviation tycoon and philanthropist George Batchelor and the Hollywood film critic, actress and songwriter Ruth Batchelor. He spent his youth searching for the purpose of life, and, while living in a cave in southern California, he found a Bible that ultimately changed his life^{[citation needed]}.

Doug Batchelor is the speaker of the weekly TV program Amazing Facts Presents which can be seen weekly on national cable networks. He is also the speaker on Bible Answers Live a one-hour paid radio program heard over 100 radio stations across the United States and on satellite radio around the world.

As a pastor, Batchelor can also be seen when speaking at the Sacramento Seventh-day Adventist Church which is aired as Central Study Hour and Everlasting Gospel on TV locally and by satellite on 3ABN and Hope Channel.