Rühl
Rühl or Ruehl (in Denmark the name is predominantly written as Ryhl since the latter half of the 19th century) is a surname of Germanic origin. It may refer to:
- Carl-Heinz Rühl (1939–2019), German football player and manager
 - Fritz Rühl (1836–1893), Swiss entomologist
 - Johan Rühl (1885–1972), Netherlands Olympic water polo player
 - Markus Rühl (born 1972), German professional bodybuilder
 - Mercedes Ruehl (born 1948), American theater and film actress, sister of Peter Ruehl
 - Peter Ruehl (1947–2011), American-born Australian newspaper columnist
 - Philippe Rühl (1737–1795), German-French statesman