A 15-year-old boy reported missing from the Reading area is believed to frequent Reading town centre and Caversham.
Leon has been reported missing to Thames Valley Police, who are appealing to the public for information to help locate him.
Police said they are concerned for his wellbeing.
Leon is described as a white male, around 6ft tall, with dark brown or black hair and a slim build.
His clothing is currently unknown.
Anyone who has seen Leon or has information which could help police locate him is asked to call 101, quoting reference 4326048138.
Police have urged anyone with information to come forward as soon as possible.
