Robert Spear Hudson (6 December 1812 – 6 August 1884) was an English businessman who popularised dry soap powder.

Robert Spear or Bob Spear may refer to:

Aaron Robert Spear (born 29 April 1993 in England) is a professional footballer and a national of England.

Robert Spears or Bob Spears may refer to:

Robert Spearman (1703–1761) was an English theologian, known as a Hutchinsonian.