According to a TMZ report in People Magazine, the 41-year-old hanged himself at a Palos Verdes Estates residence in L.A. County and his body was found just before 9 a.m. on Thursday.
The singer had a history of drug and alcohol abuse.
Bennington’s suicide came on the day of his late friend Chris Cornell’s birthday, who killed himself in May by hanging.
The frontman for the rock band is survived by his wife, Talinda Ann Bentley, and six children.
Linkin Park were one of the best selling alternative rock bands of all time, scoring a string of hits including ‘ Faint,’ ‘In the End’ and ‘ Crawling.’