The 41-year-old was last seen in the Genoa Court area of Andover and we are concerned for his safety.
Darren is believed to still be in the Andover area.
He is white, bald, 5ft 8ins tall and has neck, arm and leg tattoos.
Darren was last seen wearing tracksuit trousers, trainers and a black backpack.
If you see Darren, please call 101 quoting 44190184289.