Robert Holmes Bell Jr. is an American author, speaker, playwright, musician and former pastor. Bell founded Mars Hill Bible Church in Grandville, Michigan, and pastored it until 2012. Under his leadership, Mars Hill was one of the fastest-growing churches in America.

Robert Holmes Bell was an American lawyer and United States district judge of the United States District Court for the Western District of Michigan from 1987 to 2017. Before assuming the role, he worked as an attorney and judge in Michigan. Bell became a senior judge in 2017, a role which he served until his death in 2023. His son is Rob Bell, the founder of the Mars Hill Bible Church.