Hendrik Johannes "Rik" Grashoff (born 5 April 1961, in Krimpen aan den IJssel) is a Dutch engineer and politician.

He focused on matters of agriculture, defense and public administration.

[1] Grashoff studied civil engineering at Delft University of Technology.

From 1998 to 2006 he was an alderman of the municipality of Delft, where his responsibilities included transportation.

On 6 June 2018, Grashoff announced he would resign as member of the House of Representatives.