| Mary Ann Bibby | |
| Birth Place: | Heaton, Lancashire, England |
| Death Date: | 13 January 1910 |
Mary Ann Bibby (c.1832 – 13 January 1910) was a New Zealand storekeeper. She was born in Heaton, Lancashire, England. She managed a successful import firm from 1862 onward and became known as one of the first successful businesswomen of the colony.