Deaths by person in Ohio

Marcus Fiesel was an American 3-year-old child who was murdered in Clermont County, Ohio, in August 2006. Fiesel had recently been removed from his mother's care by child protective services, and placed into foster care with David and Liz Carroll in Union Township, where he died from hyperthermia after being restrained and neglected in a closet for a two-day period. On February 21, 2007, Liz Carroll was convicted of murdering him. On February 26, 2007, it was announced attorneys for David Carroll had reached a plea agreement.

Marcia Lenore Sossoman (King) (June 9, 1959 – April 22, 1981) was a 21-year-old Arkansas woman who was murdered in April 1981 and whose body was discovered in Troy, Ohio approximately 48 hours after her murder. Her body remained unidentified for 36 years before being identified via DNA analysis and genetic genealogy in April 2018. King was the first unidentified decedent to be identified via this method of forensic investigation.

Tina Marie Harmon (born June 9, 1969 – October 29, 1981) was a 12-year-old American girl who was abducted, raped and murdered on October 29, 1981 after being dropped off in Lodi, Ohio. After the discovery of her body, she was later buried at the Maple Mound Cemetery. One man was originally convicted of the victim's murder on circumstantial evidence but was eventually released when the conviction was overturned. Harmon's murder was solved in 2010 when DNA from the individual who raped her was matched to Robert Anthony Buell.

The murder of Krista Lea Harrison occurred on July 17, 1982, in Marshallville, Ohio. The case remained unsolved for two years, until Robert Anthony Buell was convicted of her murder in 1984. Harrison's case appeared on the fifth season American television show Forensic Files in an episode titled "Material Evidence".

Slađana Vidović (April 4, 1992 – October 2, 2008) was a 16-year-old student at Mentor High School in Mentor, Ohio who killed herself by hanging. She had been bullied by several classmates because of the way she looked.

On January 28, 2014, 18-year-old Justin Michael Back (February 13, 1995 – January 28, 2014) was murdered in Waynesville, Warren County, Ohio. Austin Gregory Myers (born January 4, 1995) and Timothy E. Mosley (born October 11, 1994) were convicted of murdering Back at his family home in order to steal a safe from the house. The case received national media attention because of the discrepancy in sentencing of the two young offenders.

Brittanie Nichole Cecil (March 20, 1988 – March 18, 2002) was a hockey fan who died from injuries suffered when a puck was deflected into the stands and struck her in the left temple at Nationwide Arena in Columbus, Ohio, on March 16, 2002. It was the first and currently only fan fatality in the NHL's 100-year history. Because of Cecil's death, the league implemented mandatory netting at both ends of the rink in every arena at the beginning of the next NHL season in 2002–03 to protect spectators from errant pucks.

The murder of Rachael Anderson occurred on January 28, 2018, in Columbus, Ohio. Anderson, a twenty-four-year-old aspiring funeral director, was kidnapped, raped, and brutally murdered by Anthony Pardon in her apartment on her birthday. Pardon, a registered sex offender with an extensive criminal history, left Anderson's body in her bedroom closet where she was discovered the next day. A significant amount of evidence linked Pardon to the crime, including cellphone data and DNA. He was arrested and charged with Anderson's murder and later in 2020 was convicted and sentenced to life in prison without parole.

On April 16, 2017, 74-year-old Robert Lee Godwin Sr. (September 7, 1942 – April 16, 2017) was shot and killed with a firearm while walking in the Glenville neighborhood of Cleveland, Ohio, United States. The perpetrator, identified as 37-year-old Steve Stephens, posted a cellphone video of the shooting on his Facebook account, leading many media outlets, both during the manhunt and afterward, to dub Stephens the "Facebook killer". A warrant was issued for Stephens for aggravated murder. Two days later, he died by a self-inflicted gunshot wound when cornered by police in Erie County, Pennsylvania.

Barbara Rose Precht (née: Hess) (previously known as Pearl Lady) was a woman who was found dead in the Ohio River in 2006; she remained unidentified until 2014. The cause of her death is unknown; it may have been an accident, suicide, or homicide. Her husband, James, was located and arrested after she was identified. He was charged with lying to police about his identity.