Aminu Iya Abbas (born June 1973) is a Nigerian politician who is the Senator for Adamawa Central. He was 2 terms Member of Adamawa State House of Assembly and served as Speaker of the Assembly between 2019 and 2023. Iya was born in the city of Yola in 1973. He attended the Central Primary School in Uba, Hong in Adamawa state.

In 2000, he received his BSc in accounting from Bayero University Kano (BUK). He later obtained a master's degree in Treasury Management from BUK in 2008. For his National Youth Service Corps (NYSC) service, he worked at the Nigeria National Liquified Natural Gas between 2001 and 2002.

After his service, he joined Sigma Securities in 2002 and later joined the Economic and Financial Crimes Commission as a forensic expert and pioneer accountant. He later worked for Africa Petroleum Nigeria and KPMG between 2008 and 2011. A Chartered Accountant and Certified Fraud Examiner.

In 2011, Iya ran for and secured the position of the Adamawa State House of Assembly representative for the Uba/Gaya constituency. From 2011 to 2015, he represented his constituents while assuming multiple roles within the House, including Chief Whip, Deputy Minority Leader, Minority Leader, Deputy Chief Whip, and chairing several standing committees.

Iya was unable to retain his seat in the House after losing the State House of Assembly election in 2015 but remained in the PDP. He ran again in 2019 and emerged victorious, securing his representation of the Uba/Gaya constituency. He was appointed as the Speaker of the House until 2023.

In 2023, Iya contested the position of Senator for Adamawa Central, defeating the former incumbent, Abdul-Aziz Nyako, who held the position from 2015 to 2019. He was appointed chairman of the Senate Committee on Science and Technology for the 10th Senate.

Iya sponsored a motion titled 'Needs to prevent loss of lives caused by floods and undredged River Benue in Adamawa State,' addressing the flooding that has affected seven local government areas: Fufore, Yola North, Yola South, Girei in Adamawa Central, and Numan, Lamurde, Demsa in Adamawa South. According to Iya, on November 3, 2023, 32 people were on board a boat capsizing at Garin Alaji near Chikito village, with only seven bodies recovered and five rescued alive. Five others remain missing. He attributed the floods to periodic water releases from the Lagdo Dam by Cameroonian authorities. To mitigate future flooding, he proposed the construction of the Dasin Hausa Dam.