Internationally Recognised

• tkm or tonne-kilometre is a unit of freight transportation quantity.
• IOC Code of Turkmenistan
  Turkmenistan
  Turkmenistan , formerly also known as Turkmenia is one of the Turkic states in Central Asia. Until 1991, it was a constituent republic of the Soviet Union, the Turkmen Soviet Socialist Republic . Turkmenistan is one of the six independent Turkic states...
  
  

Country Specific

• Traditional Korean medicine
  Traditional Korean medicine
  Traditional Korean medicine developed with the influence of other traditional medicine. Its techniques in treatment and diagnosis are both similar and unique to other traditional medicine...
  
  , a range of traditional medical practices used in Korea that developed over thousands of years
• Abbreviation of the title of the novel "To Kill a Mockingbird
  To Kill a Mockingbird
  To Kill a Mockingbird is a novel by Harper Lee published in 1960. It was instantly successful, winning the Pulitzer Prize, and has become a classic of modern American literature...
  
  ", a famous novel by Harper Lee
  Harper Lee
  Nelle Harper Lee is an American author known for her 1960 Pulitzer-Prize-winning novel To Kill a Mockingbird, which deals with the issues of racism that were observed by the author as a child in her hometown of Monroeville, Alabama...
  
  
• Spanish language internet message shorthand for "Te quiero mucho"

Corporations and Organisations

• TKM (Karting)
  TKM (Karting)
  is a low-cost British based karting category raced at club and national championships around the UK. It uses 100cc/115cc 2-stroke TKM engines and drivers are restricted to the use of single type of tyre...
  
  , a popular British based karting class.
• T.K.M Institute of Technology, an institute of engineering and technology in Kollam, Kerala, India
• T.K.M. College of Engineering, an engineering college in Kerala, India