Air Transport Squadron 61 (第61航空隊, dairokujuuichikoukuutai) (also referred to as VC-61 or Fleet Air Squadron 61) is a unit in the Japanese Maritime Self-Defence Force.

The squadron was founded at Atsugi Naval Air Facility on December 20, 1971 equipped with NAMC YS-11 aircraft.

In 1989 it began to operate the LC-90, and in November 2014 the unit began to operate five former Lockheed Martin KC-130R tanker aircraft of the US Marine Corps.

They were stripped of their refueling equipment and redesigned as C-130R aircraft.

[4] In the past the squadron has also operated Grumman S-2F-U Tracker, Douglas C-27 Skytrain RFD-6 and Beechcraft B65 Queen Air aircraft.