- Maddalen
- Maddalena
- Maddalene
- Maddalyn
- Maddy
- Mady
- Magda
- Magdalena
- Magnhilda
- Magnhilde
- Malene
- Marelda
- Margit
- Margo
- Margrit
- Marhilda
- Marhilde
- Maria
- Mariana
- Marilda
- Maritza
- Marleen
- Marleena
- Marleina
- Marlena
- Marlene
- Marlis
- Marlisa
- Mathilda
- Mathilde
- Matilda
- Matty
- Maud
- Maude
- Melicent
- Melisande
- Millicent
- Millie
- Milly
- Mina
- Mindy
- Minna
- Minne
- Monicka
- Monika
- Morgen