The word Diesel when used alone, has several possible meanings in the English language.

"Diesel" was the name of Rudolf Diesel, the inventor of the Diesel engine.

"Diesel" was also a name used by professional wrestler Kevin Nash.

The term "Diesel", when used by itself can refer to:

• Diesel, the fuel-type
• Diesel engine
• Diesel cycle
• Diesel multiple unit
• Diesel, from Thomas the Tank Engine and Friends.
• Diesel (clothing company)
• Diesel, the Dutch band that sang the 1981 hit Sausalito Summernights

Other persons named "Diesel" include:

• Vin Diesel, American actor
• Johnny Diesel , Australian rock singer