Robert Gerard Drontmann (born 1 June 1968 in The Hague) is a sailor from the Netherlands, who was world champion in the Cadet class in 1985 and represented his country at the 1988 Summer Olympics in Pusan. With his older brother Mark Drontmann as crew, Drontman took the 9th place in the 470 Male.

Drontmann works since 2009 as Sales Manager & Yacht Broker at Moonen shipyard, 's-Hertogenbosch.

• "Robert Drontmann Bio, Stats, and Results". Olympic Sports. Sports-Reference.com. Archived from the original on 18 April 2020. Retrieved 10 January 2014.
• "De Nederlandse olympische zeilploeg". De Telegraaf (in Dutch). 10 September 1988. Retrieved 31 January 2014.
• "Nederlandse zeilploeg met lege handen naar huis". De Telegraaf (in Dutch). 28 September 1988. Retrieved 31 January 2014.
• Official Report,Volume 1: Organization and Planning (PDF). Seoul: Olympic Organizing Committee. 1989. Retrieved 31 January 2014.
• Official Report,Volume 2: Competition, Summary and Results (PDF). Seoul: Seoul Olympic Organizing Committee. 1989. Retrieved 31 January 2014.
• "Robert Drontmann". www.linkedin.com. Retrieved 31 January 2014.
• "Moonen Shipyard". www.moonen.com. Retrieved 31 January 2014.