| Birth Date: | 9 February 1968 |
| Birth Place: | Apia, Samoa |
| Height: | 1.73 m |
| Weight: | 70 kg |
| Ru Position: | Flanker |
| Province1: | Auckland North Harbour Counties Manukau |
| Repyears1: | 1998 |
| Repcaps1: | 5 |
| Reppoints1: | 0 |
| Relatives: | Sam Lotu-Iiga (brother) |
| School: | Epsom Girls' Grammar School |
| Occupation: | Flight attendant |
Brigitta B. Lotu-Iiga (born 9 February 1968) is a former New Zealand rugby union player. She made her debut for the New Zealand women's national side, the Black Ferns, on 2 May against Germany at the 1998 Women's Rugby World Cup.[1] She made her final appearance at a Bledisloe Cup curtain raiser match against Australia in Sydney; the Black Ferns won 27–3.
Her younger brother is former New Zealand MP, Sam Lotu-Iiga.[2] [3]