He is described as being around 5ft 10in, of medium build, with dark coloured hair and blue coloured eyes.
When he was last seen he was wearing a sky blue tracksuit top, light blue jeans or tracksuit bottoms and a dark grey bobble hat.
Detective Sergeant Craig Still said: “We are urging anyone who has seen Richard or may have information as to his whereabouts to contact us on 101 using reference number NN/1135/19.
“If you recognise the vehicle described please get in touch. We would urge members of the public not to approach Richard but to contact police in the first instance.”
Public urged not to approach missing man from Inverness