The deputy chief minister of Arunachal Pradesh is the senior most cabinet member of the state government who serves as the de facto second head of the state.

He is the second highest ranking executive authority of the state's council of ministers.

The current deputy chief minister of Arunachal Pradesh is Chowna Mein, serving in office since 29 May 2019.

(election) (1999) (2014) (2019) (2024)