Sebastian Foster, who was on remand charged with possession with intent to supply drugs, was found hanging at Hewell prison in Redditch, Worcestershire, on Friday afternoon and pronounced dead shortly after 2pm.
An investigation into the death of Foster, 33, is under way.
A Prison Service spokeswoman said: "Prisoner Sebastian Foster was found hanging by staff at HMP Hewell at approximately 1.50pm on Friday January 6 2012.
"Paramedics were called but he was pronounced dead at the prison at approximately 2.10pm.
"As with all deaths in custody, the independent Prisons and Probation Ombudsman will undertake an investigation."
A prisoner has died after being found hanging in his cell.