Kyrsten Sinema

United States Senator Kyrsten Sinema is "unaffiliated" and she does not consider herself an atheist.

References:

• This lawmaker isn’t sure that God exists. Now, he’s finally decided to tell people. - The Washington Post - 2017 November 9
• ‘I prefer non-religious’: why so few US politicians come out as atheists | World news | The Guardian - 2019 August 3