Robin, aged 79, was last seen in the North Baddesley area at 3pm on Sunday, 23 July.
He is described as: white, 5ft 8ins, with dark brown/greying hair. He was last seen wearing a blue polo shirt, black trousers and black trainers.
We’re growing concerned for Robin’s welfare.
If you think you’ve seen Robin since he went missing or have any information that could help find him, please call Hampshire Police immediately on 101 quoting 44230296831.