| Lake Helen 53A | |
| Official Name: | Lake Helen Indian Reserve No. 53A |
| Settlement Type: | Indian reserve |
| Pushpin Map: | Canada Ontario |
| Subdivision Type: | Country |
| Subdivision Name: | Canada |
| Subdivision Type1: | Province |
| Subdivision Name1: | Ontario |
| Subdivision Type2: | District |
| Subdivision Name2: | Thunder Bay |
| Subdivision Type3: | First Nation |
| Subdivision Name3: | Red Rock |
| Area Land Km2: | 0.86 |
| Population Footnotes: | [1] |
| Population Total: | 240 |
| Population As Of: | 2021 |
| Population Density Km2: | 277.8 |
| Website: | http://rrib.ca |
Lake Helen 53A is a First Nations reserve in Thunder Bay District, Ontario, Canada. It is one of two reserves for the Red Rock Indian Band.