The Nigerian National Assembly delegation from Abia comprises three Senators representing Abia-Central, Abia-South, and Abia-North, and eight Representatives representing Ikwuano/Umuahia North/South, Bende, Isuikwato/Umunneochi, Arochukwu/Ohafia, Aba North/South, Ukwa East/Ukwa West, Isiala Ngwa North/South and Obingwa/Osisioma/Ugbunagbo.
The senators and representatives of the 4th parliament were:
The senators and representatives of the 5th parliament were:
The senators and representatives of the 6th parliament were:
The senators and representatives for the 7th parliament were:
The senators and representatives for the 8th parliament were: