Margaret Jane Annand Bulfin (1920–1996) was a Scotland-born New Zealand botanist, botanical collector, and mountaineer. She was an expert on New Zealand seeds and their germination, viability and identification, and as a Scientist at the Department of Scientific and Industrial Research she performed extensive field work including vegetation surveys in different areas of New Zealand. She co-authored the book Seeds of New Zealand Gymnosperms and Dicotyledons, and was awarded the Allan Mere Award for her contributions to New Zealand botany.