The 2nd constituency of Hajdú-Bihar County () is one of the single member constituencies of the National Assembly, the national legislature of Hungary. The constituency standard abbreviation: Hajdú-Bihar 02. OEVK.

Since 2026, it has been represented by Enikő Tompa of the Tisza Party.

Geography The 2nd constituency is located in central-eastern part of Hajdú-Bihar County.

List of municipalities The constituency includes the following municipalities:

Members The constituency was first represented by László Pósán of the Fidesz from 2014, and he was re-elected in 2018 and 2022. In the 2026 election, Enikő Tompa of the Tisza Party was elected representative.

Election Member Party % 2014 László Pósán Fidesz 45.42 2018 49.40 2022 55.612026Enikő TompaTISZA58.18

References