Gabriela Groell-Dinu (born 16 April 1960) is a German former professional tennis player.

Originally from Romania, Dinu played on the professional tour in the 1980s as a West German.

She featured in the main draw of the French Open on three occasions, with her best performance coming as a qualifier in 1985 when she won her way through to the third round.

[1] In 1987, she reached her best ranking of 123 in the world.

[2]