Martin Sauer may refer to:

• Martin Sauer (rower) (born 1982), German Olympic rower
• Martin Sauer (explorer), English explorer for Russia

• Crank (book)
• Crank bugs
• Crank case
• Crankcase dilution
• Crankcase (disambiguation)
• Crankcase (engine)
• Crankcase (G.I. Joe)
• Crankcase heater
• Crankcase (Transformers)
• Crank Caverns
• Crank caverns
• Crank (disambiguation)
• Crankdom
• Cranked arrow
• Cranked eye bolt
• Cranken Rhyme
• Crank film
• Crank Halt
• Crank Halt railway station
• Crank Halt station
• Crank High Voltage
• Crank: High Voltage
• Crank: High Voltage (soundtrack)
• Crank House
• Crank II