- First Baptist Church (Mansfield, La)1
- First Baptist Church (Marrero, La)1
- First Baptist Church (Marshfield, Mo)1
- First Baptist Church (Maryville, Ill)1
- First Baptist Church (McDonough, Ga)1
- First Baptist Church (McHenry, Ill)1
- First Baptist Church (Melbourne, Fla)2
- First Baptist Church (Metropolis, Ill)1
- First Baptist Church (Middlesborough, Ky)1
- First Baptist Church (Milton, Fla)1
- First Baptist Church (Minneapolis, Minn)1
- First Baptist Church (Mitchell, Ind)1
- First Baptist Church (Monroe, Ga)1
- First Baptist Church (Monroe, La)1
- First Baptist Church (Montgomery, Ala)2
- First Baptist Church (Moriarty, NM)1
- First Baptist Church (Mossy Head, Fla)1
- First Baptist Church (Mount Dora, Florida)1
- First Baptist Church (Muskogee, Okla)1
- First Baptist Church (Myrtle Beach, Ore)1