| Manuel | | mah-NWEL (Spanish), man-oo-EL (Portuguese), MAHN-oo-el (German) | Spanish, Portuguese, German, English, Italian, French, Romanian, Late Greek (Latinized) | |
| Maralyn | | MER-ə-lin, MAR-ə-lin | English | |
| Marcelyn | | - | English (Rare) | |
| Marci | | MAHR-see | English | |
| Marcia | | MAHR-shə (English), MAHR-see-ə (English), MAHR-thyah (Spanish), MAHR-syah (Latin American Spanish) | English, Spanish, Ancient Roman | |
| Marcie | | MAHR-see | English | |
| Marcus | | MAR-kuws (Ancient Roman, Biblical Latin), MAHR-kəs (English) | Ancient Roman, Biblical Latin, English, Swedish, Norwegian, Danish | |
| Marcy | | MAHR-see | English | |
| Maree | | - | English (Rare) | |
| Margaret | | MAHR-grit, MAHR-gə-rit | English | |
| Margaretta | | mahr-gə-RET-ə | English | |
| Marge | | MAHRJ | English | |
| Margery | | MAHR-jə-ree | English | |
| Margie | | MAHR-jee | English | |
| Margo | | MAHR-go | English | |