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| Name | Life | Profession | Cause of death | Reference |
|---|---|---|---|---|
| Warren Tartaglia, aka Walid al-Taha | 1944–1965 | Jazz musician | Heroin overdose. | |
| Chase Tatum | 1973–2008 | Former professional wrestler | Apparent drug overdose following years of addiction to painkillers. | |
| Vinnie Taylor | 1949–1974 | Musician (Sha Na Na) | Unspecified drug overdose. | |
| Sara Teasdale | 1884–1933 | Poet | Sleeping pill overdose. Suicide. | |
| Gary Thain | 1948–1975 | Musician (Uriah Heep) | Respiratory failure due to a heroin overdose. | |
| Ada Thompson, aka Vivien Merchant | 1929–1982 | Actress | Alcoholism. The coroner stated Merchant "drank herself to death." | |
| John Thompson | 1938–1976 | Poet | Overdose of barbiturates and alcohol. | |
| Jotie T'Hooft | 1956–1977 | Poet | Unspecified drug overdose. | |
| Johnny Thunders | 1952–1991 | Musician (the New York Dolls) | Conflicting sources report heroin overdose or methadone and cocaine poisoning or that the autopsy did not disclose a cause of death. | |
| Georg Trakl | 1887–1914 | Poet | Cocaine overdose. Suicide. | |
| Chögyam Trungpa | 1939–1987 | Buddhist meditation master | Cardiac arrest exacerbated by heavy alcohol use. | |
| Amy Tryon | 1970–2012 | Equestrian | Oxycodone, diphenhydramine, alprazolam, lorazepam, diazepam and temazepam overdose. Accidental. | |
| D. M. Turner | 1962–1996 | Author | Drowned in a bathtub while under the influence of ketamine. | |
| Ike Turner | 1931–2007 | Musician, producer | Cocaine overdose with high blood pressure and emphysema as contributing factors. | |
| Dick Twardzik | 1931–1955 | Jazz pianist | Heroin overdose. | |
| Helen Twelvetrees | 1908–1958 | Actor | Unspecified drug overdose. Suicide. | |
| John Tyndall | 1820–1893 | Physicist | Overdose of Chloryl hydrate. Accidental. |
Read more about this topic: List Of Drug-related Deaths