Encyclopedias, Almanacs, Transcripts, and Maps
- Maurer, Ion Gheorghe
- Maurice of Saxony
- Maurocordatos, Alexander
- Maury, Jean Siffrein
- Mausolus
- Mavrokordatos, Alexander
- Mawenzi
- Mawlamyine
- Max of Baden
- Max, Gabriel
- Maximian
- Maximilian, prince of Baden
- May apple
- May beetle
- May, Thomas Erskine, 1st Baron Farnborough
- Mayaguana
- Mayence
- Mayenne
- Mayenne, Charles de Lorraine, duc de
- Mayer, Julius Robert von