List of Famous people who died at 30

Richard Trenton Chase was an American serial killer, rapist, cannibal, and necrophile who killed six people in the span of a month in Sacramento, California. He was nicknamed "The Vampire of Sacramento" because he drank his victims' blood and cannibalized their remains.

Hamza bin Osama bin Mohammed bin 'Awad bin Laden, better known as Hamza bin Laden, was a Saudi Arabian-born member of Al-Qaeda. He was a son of Al-Qaeda leader Osama bin Laden and, following his father's death in 2011, he was described as an emerging leader within the group.

Cady Danyl Groves was an American singer and songwriter from Emporia, Kansas. Some of her notable songs include "This Little Girl", "Oh Darlin'", "Forget You", and "Love Actually". She released four EPs during her lifetime: A Month of Sundays (2009), The Life of a Pirate (2010), This Little Girl (2012), and Dreams (2015). A fifth EP, Bless My Heart, was released shortly after her death.

James Joseph Croce was an American folk and rock singer-songwriter. Between 1966 and 1973, Croce released five studio albums and numerous singles.

Prince William of Gloucester was a grandson of King George V and paternal cousin of Elizabeth II. At the time of his birth he was the fourth in line to the throne, and ninth in line at the time of his death.

Chris Reed was an American Japanese ice dancer. With his sister Cathy Reed, he became a seven-time Japanese national champion and the 2011 Asian Winter Games silver medalist. They competed at two Winter Olympics and reached the final segment at nine ISU Championships.

Andre Brandon deWilde was an American theater, film, and television actor. Born into a theatrical family in Brooklyn, he debuted on Broadway at the age of seven and became a national phenomenon by the time he completed his 492 performances for The Member of the Wedding. He won a Donaldson Award for his performance, becoming the youngest actor to win one and starred in the subsequent film adaptation.

David Alexander Johnston was an American United States Geological Survey (USGS) volcanologist who was one of the 57 people killed by the 1980 eruption of Mount St. Helens in the U.S. state of Washington. A principal scientist on the USGS monitoring team, Johnston was killed in the eruption while manning an observation post six miles (10 km) away on the morning of May 18, 1980. He was the first to report the eruption, transmitting "Vancouver! Vancouver! This is it!" before he was swept away by a lateral blast. Despite a thorough search, Johnston's body was never found, but state highway workers discovered remnants of his USGS trailer in 1993.

Santiago Damián García Correa, nicknamed Morro, was a Uruguayan professional footballer who played as a striker.

Harris Lee Wittels was an American comedian. He was a writer for The Sarah Silverman Program, a writer and executive producer for Parks and Recreation, and a recurring guest on Comedy Bang! Bang!