O’Neill replaces Nathan Jones who was axed as manager earlier this month following a disastrous start to the campaign.
He will take charge of his first game on Saturday as Stoke confront home side and fellow strugglers Barnsley.
“Stoke City are delighted to confirm the appointment of Michael O’Neill as the Club’s new manager,” reads a statement on Stoke City’s official website.
“The 50-year-old heads to the bet365 Stadium after a hugely successful eight-year spell
