The Jason-class tank landing ship (Hellenic: αρματαγωγό κλάσσης Ιάσων, literally tank-carrier of class Jason) is a class of tank landing ships (LSTs) designed and built in Greece through a cooperation of the Elefsis Shipyards with the National Technical University of Athens and the Hellenic Navy, which ordered the ships in 1986.

[citation needed] Along with the Zubr-class LCAC, they are the primary amphibious warfare ships of the Hellenic Navy.

[citation needed] The ships are capable of transporting 350 infantry troops, but they can transport up to 1,200 infantry for short distances,[citation needed] and they can also carry up to 22 main battle tanks (MBTs) or a variety of other equipment such as armoured personnel carriers (APCs), howitzers, MLRS launchers, trucks, etc.

[citation needed] The Hellenic Navy preferred to not buy new ships from other nations in order to acquire experience in the design and construction of warships entirely in Greece.

[citation needed] Although the new ships replaced Second World War-era LSTs, the Hellenic Navy did not equip the Jason-class ships with marine fighting vehicles (such as BMP-3F) and therefore Greek marines have to use tactical landing methods similar to those of the Second World War era.