It is used as:

• place names that derives
• Komatsu, Ishikawa, a city
• Komatsu Airport, an airport
• Komatsu Limited, a company
• Komatsu 830E, a dump truck
• Komatsu 930E, a dump truck
• Komatsu D-475, a bulldozer
• Komatsu D575, a bulldozer
• Komatsu LAV, an armoured car
• Komatsu, Ehime, a former town, merged to Saijō, Ehime

• a family name, and can be used for:
• Higashifushimi-no-miya/Komatsu-no-miya, a cadet branch of the Japanese royal family
• Komatsu Akihito (1846-1903), a member of the Japanese imperial family
• Komatsu Ayaka (born 1986), a model/actress
• Komatsu Hideki (born 1967), a professional Go player
• Komatsu Rika, seiyū
• Komatsu Sakyo (born 1931), science fiction writer and screenwriter
• Komatsu Takeo, late photographer
• Komatsu Yoma (born 1974), musician

References