John Stewart (born 9 April 1983) is an Ulster Unionist Party (UUP) politician and businessman who has been a Member of the Northern Ireland Assembly (MLA) for East Antrim since 2017.

[5] Before his election to the assembly, Stewart worked as the sales director of his family's business, Robinson's Shoemakers, which is based in Carrickfergus, County Antrim.

On 2 March 2017, Stewart was elected to the Northern Ireland Assembly for East Antrim in stage 9 of the count.

In August 2023, he called for action to tackle MoT waiting lists and outlined that the UUP would reuse the Temporary Exemption Certificates, used at the height of the pandemic, "to allow backlogs to be cleared and fines to be appealed.

"[10] On 24 August 2023, Stewart called for the Kilroot coal-powered power station to be kept open during the coming winter, this followed news that the gas turbines to replace coal would not be commissioned on time.