LiAZ-677 is a Soviet urban high—floor bus manufactured by the Likinsky Bus Plant (RSFSR).

Buses of this model were used in almost all cities of the Soviet Union with urban or suburban bus service. He has the nickname "Lunokhod".

It is the most popular bus in the USSR.

There are 36 variations of LiAZ-677 and LiAZ-677M in various degrees of wear.