Regina Constance "Reggie" de Jong (born 7 January 1964) is a former freestyle swimmer from the Netherlands, who competed for her native country in the 1980 Summer Olympics.

[1] In 1983, she won a bronze medal in the 4 × 200 m freestyle relay at the 1983 European Aquatics Championships.

She graduated in e-commerce and business management from the Georgetown University, Washington, US.

In 1997, she was one of the founders and the commercial director of Stater Portfolio Performance Management, a European provider of mortgage loans.

From November 2006 till June 2008 she was a leading manager (CIO) and a board member of DSB Bank.