Roelf Hendrik de Boer (born 9 October 1949) is a retired Dutch politician and businessman who was a member the Pim Fortuyn List (LPF) and briefly served as Deputy Prime Minister from 2002 to 2003.

He worked for the Nedlloyd shipping company and then as the president of the European Waterways Transport (EWT).

[1] During his time in politics, he campaigned for the prices of rail tickets to be lowered and for smaller fines for mild speeding offenses.

[2] Following the collapse of the first Balkenende cabinet, he returned to working as a public administrator for Royal Dutch Transport (KNV) and as chairman for the Value8 business investment group.

He attempted a return to politics in 2006 by standing for the municipal elections in Rotterdam, but resigned due to health problems.