Bella MacCallum
| Bella MacCallum | |
|---|---|
| Born | 1886 | 
| Died | 17 March 1927 (aged 40–41) | 
| Alma mater | |
| Spouse | 
 | 
| Scientific career | |
| Fields | Botany and Mycology | 
Bella Dytes MacIntosh MacCallum (née Cross, 1886 – 17 March 1927) was a New Zealand and British botanist and mycologist and was New Zealand's first female doctor of science.