The 2018–19 Fenerbahçe Basketball season was the 105th season in the existence of the club.

The team played in the Basketbol Süper Ligi (BSL) and in the European first tier EuroLeague.

Note: Flags indicate national team eligibility at FIBA-sanctioned events.

Players may hold other non-FIBA nationalities not displayed.

Source: Competitions Source: bsl.org.tr Win Loss 7th and 22nd rounds were bye due to Trabzonspor's withdrawing.