Logan Austin and Nasser Mian, both aged 15, have been missing from the Fareham area since the early hours of Saturday, March 25.
Logan and Nasser do not have any money or phones with them. Police are growing increasingly concerned for their welfare.
Sergeant Robert Kearley, said: “Have you seen Logan or Nasser since they went missing? If you see them or have any information about where they might be, please get in touch with us.”
If you have any information relating to this case, please call 101 quoting reference '44170111098'.