Heidi Nordby Lunde (born 3 February 1973) is a Norwegian politician for the Conservative Party. A deputy representative to the Storting, she met regularly from 2013, and has been ordinary member of the Storting since 2017.

Lunde was elected as deputy to the Parliament of Norway from Oslo in 2013. She met as deputy for Ine Marie Eriksen Søreide, and was member of the Standing Committee on Finance and Economic Affairs from 2013 to 2017. She was elected ordinary representative to the Storting for the period 2017–2021, and was member of the Standing Committee on Labour and Social Affairs during this period. She was re-elected to the Storting for the period 2021–2025, and a member of the Standing Committee on Finance and Economic Affairs from 2021.

In 2020 she was one of the signatories of the "Call for Inclusive Feminism," a document which led to the establishment of the Initiative for Inclusive Feminism.

She served as the leader of the Oslo Conservatives from 2018 to 2022, with Eirik Lae Solberg as deputy leader. The duo were re-elected in 2020.

On 27 October 2021, Lunde announced that she would not be seeking re-election as leader of the Oslo Conservatives. She cited that the local chapter needed "new blood" to lead them into the 2023 local elections. Morten Steenstrup was designated her successor in December 2021 and officially succeeded her on 22 January 2022.