Vittaya Samrej (born 18 February 1964) is a Thai tennis coach and former professional player.

[1] Samrej had a record 18-year long Davis Cup career playing for Thailand, featuring in 37 ties between 1985 and 2002, mostly as a doubles specialist.

He won 21 doubles rubbers in total, which is a former Thai record.

He won a further four gold medals for his country in the team event.

His son, Kasidit Samrej, is a Davis Cup player for Thailand.