Maria Petronella "Ria" Brieffies (23 February 1957 – 20 July 2009) was a Dutch singer, best known as a member of 1980s girl group "Dolly Dots".

[1] Brieffies was generally regarded as Dolly Dots' most accomplished singer.

In 1989 she recorded "Love Always Finds a Reason", a duet with American singer Glenn Medeiros which reached the Dutch top 20.

In the 1990s Brieffies retired from the music industry and became a qualified manicurist/pedicurist, before reuniting with the Dolly Dots in 2007 for a comeback tour which included three concerts to sell-out audiences of 10,000 at the Ahoy Arena in Rotterdam.

Ria Brieffies was diagnosed with lung cancer in November 2008 and died on 20 July 2009, aged 52.