Sikkim Lok Sabha constituency is a Lok Sabha (lower house of the Indian parliament) constituency which covers the entire area of the state of Sikkim.

Sikkim participated in its first general elections in 1977 after joining the Union in 1975.

Its first member of parliament (MP) was Chatra Bahadur Chhetri of the Indian National Congress who was elected unopposed.

The current MP is Indra Hang Subba of Sikkim Krantikari Morcha, who has represented the constituency since 2019.

Most Successful parties from Sikkim Lok Sabha Since Sikkim has only one Lok Sabha constituency, it comprises all 32 Assembly constituencies of the state.