| Description: | Most popular names for female newborns in New Zealand 2021 | 
| Source: | Department of Internal Affairs - Births, Deaths and Marriages | 
| Series: | New Zealand | 
| Following list: | 2022 | 
| Previous list: | 2020 | 
| Highest new entries: | Kaia (new at 82),  Nevaeh (new at 82),  Eloise (new at 86),  Marley (new at 90),  Cleo (new at 91) | 
| Largest rises: | Daisy +39 (now at 49),  Sienna +35 (now at 35),  Billie +16 (now at 45),  Freya +15 (now at 22),  Ayla +12 (now at 39) | 
| Largest falls: | Stella -31 (now at 63),  Scarlett -30 (now at 56),  Zara -23 (now at 73),  Bella -16 (now at 63),  Rosie -14 (now at 91) |