Sir Robert Hill Smith, 3rd Baronet of Crowmallie (born 15 April 1958) is a Scottish Liberal Democrat politician who was the Member of Parliament for West Aberdeenshire and Kincardine from 1997 to 2015.

Smith's areas of political interest include energy policy, rural issues and international development.

He serves as Honorary Vice-President of Energy Action Scotland, a fuel poverty charity, and is a Vice-Chair of the All-Party Group for the UK Offshore Oil and Gas Industry.

He represents a large rural constituency where the oil and gas industry, subsea engineering and marine renewables are major employers.

[1] Smith stood for reelection in the 2015 general election, but was defeated by Stuart Donaldson of the Scottish National Party.