| Name | Meaning | Gender | Origin |
|---|
| Mahogany | American evergreen tree valued for its hard, red-brown wood | Female | Spanish |
| Maizy | Pearl | Unisex | Scottish |
| Mamie | Mother | Female | English |
| Mandarin | A high official of Imperial China. Also a small orange or tangerine like fruit. | Female | |
| Mandy | Harmony | Female | English |
| Mango | after the character in Saturday Night Live | Unisex | |
| Maple | Deciduous tree known for it's autumn colour. | Female | Tree |
| Marigold | a flower | Female | |
| Marmalade | | Unisex | |
| Maxie | Greatest | Unisex | Italian |
| Meg | Pearl | Female | English |
| Moet | Brand of French Champagne | Unisex | |
| Monroe | mouth of the Roe River; wheelwright | Female | Scottish |
| Monroe | mouth of the Roe River; wheelwright | Female | Scottish |
| Muffin | A small cup shaped cake | Unisex | |
| Mustard | Seeds ground into paste and used as a spicy condiment | Unisex | |
| Nugget | as in Chicken | Unisex | |
| Opie | | Unisex | |
| Orange | Round citrus fruit originating in Southeast Asia. | Female | Fruit |
| Orange | Round citrus fruit originating in Southeast Asia. | Female | Fruit |
| Orange Juice | | Unisex | |
| Orangina | | Unisex | Hebrew |
| Pamela | honeyed | Female | English |
| Pansy | thought | Female | English |
| Paprika | Spicy powder made from sweet red peppers. | Unisex | |