- 4 Monasticism
- 2 Monestery Avenue
- 22 Money
- 1 Moneybags
- 1 Mongolia
- 1 Mongooses
- 4 Monitor (Ironclad)
- 18 Monkeys
- 55 Monks
- 1 Monks - Olivetan
- 2 Monnickendam, Netherlands
- 1 Monocles
- 1 Monograms
- 2 Monopolies
- 1 Monorails
- 1 Monroe County, Pennsylvania
- 4 Monroe Engine Company
- 9 Monsters
- 2 Monstrances
- 1 Montague, Emmeline
- 3 Montani, Pierre.
- 3 Monterey, California
- 2 Monterey, Mexico
- 1 Montezuma Hotel
- 13 Montgomery Avenue
- 7 Montgomery Avenue
- 222 Montgomery County, Pennsylvania
- 1 Montgomery, Hugh L.
- 1 Montgomery, Richard, 1738-1775
- 1 Months
- 5 Montour County, Pennsylvania
- 2 Montreal, Canada
- 7 Monument builders
- 1 Monument Cemetery
- 1 Monument Oil Works
- 7 Monument Road
- 84 Monuments & memorials
- 52 Moon
- 1 Moon (moon)
- 3 Moonlight
