Lewis Edwards from Styal in Cheshire has not been seen since 7.30pm yesterday.
Lewis left his home in Styal Road on his bike, which was later found in his hometown.
The schoolboy has links to neighbouring town Wythenshawe, in south Manchester and police believe he could have gone in that direction.
He is described as 4ft 6in, slim, with short dark blonde hair and two stripes shaved on to the side, and was wearing a purple t-shirt and jeans.
“We are becoming increasingly concerned as Lewis has not been seen since yesterday evening.”
Chief Inspector Jez Taylor
Neighbours have been urged to check their gardens, garages and sheds in case Lewis had taken shelter there overnight.
Cops were seen on Hollin Road at the junction with Styal Road.
Search and rescue crews and a police helicopter was also spotted in the area.
Chief Inspector Jez Taylor, who is co-ordinating the search for Lewis, said: ‘We are becoming increasingly concerned as Lewis has not been seen since yesterday evening.
“He has links to the Wythenshawe area, and he may be travelling in that direction.
“‘Searches are currently ongoing, and residents are asked to keep an eye out for Lewis and check their gardens and outbuildings in case he has been staying there overnight.”
“If you have any information as to his whereabouts please contact the team here are Cheshire Police.”
Anyone with any information into Lewis’s whereabouts is asked to contact Cheshire Police on 101 quoting incident number IML-471266.