2023 in Utah
The following is a list of events of the year 2023 in Utah.
Incumbents
State government
- Governor:Spencer Cox
Events
- January 4 – Killing of the Haight family: Three adults and five children are found dead inside a home in Enoch, after police conduct a welfare check.
- March 21 – Utah adopts a new flag after the governor officializes it. It came into official use in March 2024.
- August 9 – A man in Provo who made threats against President Joe Biden is shot and killed by FBI agents.
- October 1 – North Dakota state senator Doug Larsen and his family are killed in a plane crash in Grand County.
- November 24 – Astronomers at the Telescope Array Project observe the second largest cosmic ray ever detected, the so-called Amaterasu particle, with an energy of 244 EeV.