Wahroonga is an electoral district of the Legislative Assembly in the Australian state of New South Wales.

[1] It is an urban electorate on Sydney's upper North Shore.

Wahroonga was created as a result of the 2021 redistribution and largely replaced the abolished electorate of Ku-ring-gai.

Based on the results of the 2019 election, it is a safe seat for the Liberal Party with an estimated notional margin of 19.0 percent.

[2] On its current boundaries, Wahroonga takes in the suburbs of Normanhurst, North Wahroonga, South Turramurra, Thornleigh, Wahroonga, Waitara, Warrawee, West Pymble, Westleigh and parts of Hornsby, Pennant Hills, Pymble and Turramurra.