List of Famous people who are 40

Pan Wu-hsiung (Chinese: 潘武雄; pinyin: Pān Wǔxióng; Wade–Giles: Pan¹ Wu³ Hsiung²; born 11 March 1981) is a Taiwanese baseball player who currently plays for Uni-President Lions of Chinese Professional Baseball League. He currently plays as an outfielder for the Lions, and has been constantly shifted between all three outfield positions. His nickname "Take" (pronounced TA-KEH) derives from the Japanese pronunciation of the first character of his given name.

Claudiano Bezerra da Silva, known as Kaká, is a Brazilian professional footballer who plays as a centre-back.

Brian Elwin Haner Jr., better known by his stage name Synyster Gates or simply Syn, is an American musician, best known for being the lead guitarist and backing vocalist of heavy metal band Avenged Sevenfold. He ranks No. 9 on Guitar World's best metal guitarists of all time. Gates was voted as Best Metal Guitarist in the World by Total Guitar in 2016 and once again in 2017.

Oren Asaf Hazan is an Israeli politician. He served as a member of the Knesset for Likud between 2015 and 2019.

Takuya Nozawa is a Japanese former football player.