Richard Dyson, 55, was last seen on November 17 on Sheffield Road, Hoyland heading towards Parkside Cottage. He was reported missing by his daughter on November 25 after he failed to get in contact with her as usual.
Richard is described as 5ft 10 - 6ft tall with short grey hair and was last seen wearing a navy Kappa jacket with white stitching.
Police today are conducting searches around Parkside Farm in Hoyland as enquiries continue.
Detective superintendent Mark James appealed directly to Richard and said: “Richard, if you read this or see this, please contact us. Your daughter is incredibly worried and needs to know you’re ok. You can speak to us in confidence by calling 101 or Crimestoppers. You can go to any police station or contact us online. Our priority is establishing that you are safe and to help reassure your daughter.”
The public are also urged to report any sightings of Richard by phoning 101 or Crimestoppers.