Earls, Counts | Titles by Rank
- Counts of Matuschka
- Counts of Matz von Spiegelfeld
- Counts of Maud' Huy
- Counts of Maulévier
- Counts of Maulevrier
- Counts of Maumont
- Counts of Mauny
- Counts of Maupas
- Counts of Maupeou d' Ableiges
- Counts of Maupeou-Monbail
- Counts of Maure
- Counts of Mauriana e Piemonte
- Counts of Mauriania
- Counts of Mayalde
- Counts of Mayans
- Counts of Mayorga
- Counts of Mazzarino
- Counts of Meaux
- Counts of Medellin
- Counts of Medina
- Counts of Medinaceli
- Counts of Meeûs d' Argenteuil
- Counts of Meeûs d'Argenteuil
- Counts of Megen
- Counts of Meggau
- Counts of Meggen
- Counts of Meghem
- Counts of Mejorada
- Counts of Mejorada del Campo
- Counts of Melgar
- Counts of Melgar y Rueda
- Counts of Melgueil
- Counts of Melito
- Counts of Mello
- Counts of Mellon
- Counts of Melo
- Counts of Melun
- Counts of Melzo
- Counts of Melzo
- Counts of Menado Alto
- Counts of Mendia
- Counts of Mengersen
- Counts of Menou
- Counts of Mensdorff-Pouilly
- Counts of Mentin
- Counts of Meran
- Counts of Mercoeur
- Counts of Mercy-Argenteau
- Counts of Merenberg
- Counts of Merioneth