Niamh Fisher-Black (born 12 August 2000) is a New Zealand professional racing cyclist, who currently rides for UCI Women's WorldTeam Lidl–Trek.

[2] She is the older sister of fellow racing cyclist Finn Fisher-Black, and was educated at Nelson College for Girls.

[5][6][7] Fisher-Black said of the win “I wasn't aware straightaway at first when I crossed the line [that I’d won the under-23 race].

"[8] “The rainbow jersey, very few people have one and it’s the pinnacle of cycling so it’s super special to have...I think I showed I was the strongest under-23 rider on the day and nothing can take away from that.”[9] In June 2023, Fisher-Black won the final stage of the Tour de Suisse Women.

[10][11] She was named as the lead rider for Team SD Worx in the women's Giro d'Italia.