NA-25 (Dera Ismail Khan-cum-Tank) (Urdu: این اے-۳۴، لور دیر) was a constituency for the National Assembly of Pakistan.
It was split into NA-37 (Tank) and NA-39 (Dera Ismail Khan-II) in 2018.
[1] The constituency was established as NA-25 (Dera Ismail Khan) in 1977 when Tank was part of Dera Ismail Khan District as one of its tehsils.
In 1992, with Tank becoming a district itself, the constituency name was changed to NA-25 (Dera Ismail Khan-cum-Tank).
A by-election took place on 22 August 2013.