Rengo may refer to:

• Rengo, a city in Chile, located in the O'Higgins Region
• RENGO, an umbrella organization that represents the interests of union members in Japan
• Rengo (board game), a four-player variant of the board game Go
• Rengo Co., Ltd. [ja], a Japanese packaging company
• Renko (previously known as "Rengo"), a former municipality of Finland

This disambiguation page lists articles associated with the title Rengo.
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