Haplogroup S (mtDNA)
| Haplogroup S | |
|---|---|
| Possible time of origin | 64,000-47,000 years ago | 
| Possible place of origin | Australia | 
| Ancestor | N | 
| Descendants | S1, S2, S3, S4, S5, S6 | 
| Defining mutations | 8404 | 
In human genetics, Haplogroup S is a human mitochondrial DNA (mtDNA) haplogroup found only among Indigenous Australians. It is a descendant of macrohaplogroup N.