The 1990–91 season[1] was FC Lokomotiv Gorna Oryahovitsa's fifth season in A PFG.

Note: Flags indicate national team as defined under FIFA eligibility rules; some limited exceptions apply.

Players may hold more than one non-FIFA nationality.

The team is finished 8th after 30 games in his fifth "A"group's season.

[2] Lokomotiv GO loss with aggregate: 0–6.