Takaharu (written: 高晴, 高陽, 高治, 貴晴, 貴治, 隆治, 崇晴, 敬春, 天晴 or 孝晴) is a masculine Japanese given name. Notable people with the name include:

• Banryūyama Takaharu (播竜山 孝晴, born 1951), Japanese sumo wrestler
• Takaharu Furukawa (古川 高晴, born 1984), Japanese archer
• Takaharu Kondo (近藤 崇晴, 1944–2010), Japanese judge
• Takaharu Koyama (小山 隆治, born 1948), Japanese middle-distance runner
• Takaharu Kyōgoku (京極 高晴, born 1938), Japanese businessman and Shinto priest
• Takaharu Mitsui (三井 高陽, 1900–1983), Japanese philatelist
• Takaharu Murahama (村濱 天晴, born 1972), Japanese mixed martial artist
• Takaharu Nakajima (中嶋 敬春, born 1983), Japanese speed skater
• Naitō Takaharu (内藤 高治, 1862–1929), Japanese kendoka
• Takaharu Nishino (西野 貴治, born 1993), Japanese footballer
• Takaharu Tezuka (手塚 貴晴, born 1964), Japanese architect