Nahid Kiani Chandeh (Persian: ناهید کیانی, born 1 August 1998[1] in Isfahan[3]) is an Iranian taekwondo athlete.

She is the first Iranian woman to win a silver medal at the Olympics in the 2024 Summer Olympics, Taekwondo Women's 57 kg event, also she won the gold medal in the women's bantamweight event at the 2023 World Taekwondo Championships.

During the Tokyo 2020 Olympics, Kiani faced a controversial match against Kimia Alizadeh, a former Iranian taekwondo athlete competing for the Refugee Team.

Kiani then defeated opponents from Tunisia and Lebanon in the quarterfinals and semifinals to reach the final match.

In the final, she faced South Korea's Kim Yu-jin and earned a silver medal.