Nikita Stevie Howarth MNZM (born 24 December 1998) is a New Zealand para-cyclist and para-swimmer.

She became New Zealand's youngest ever Paralympian after being selected for the 2012 Summer Paralympics, aged 13 years 8 months.

At the 2015 IPC Swimming World Championships in Glasgow, Howarth won two gold medals in the 50 m butterfly S7 and the 200 m individual medley SM7,[9] qualifying her for the 2016 Summer Paralympics in Rio de Janeiro.

[11] She was appointed a Member of the New Zealand Order of Merit in the 2017 New Year Honours, for her services to swimming.

[13] In December 2018, she set a new world record in the C4 flying 200 m time trial event at the Southland Track Cycling Championships in Invercargill, New Zealand.