Hiromasa Yonekura (米倉 弘昌 Yonekura Hiromasa, March 31, 1937 – November 16, 2018) was a Japanese businessman.
He was chairman of Sumitomo Chemical and was also the chairman of the Japan Business Federation (Nippon Keidanren).
He remained in this position until 2009, when he became chairman of the board.
He was born in Kobe, Japan.

Yonekura died on November 16, 2018 in Tokyo at the age of 81.
Hiromasa Yonekura (米倉 弘昌 Yonekura Hiromasa, March 31, 1937 – November 16, 2018) was a Japanese businessman. He was chairman of Sumitomo Chemical and was also the chairman of the Japan Business Federation (Nippon Keidanren). He remained in this position until 2009, when he became chairman of the board. He was born in Kobe, Japan. 
Yonekura died on November 16, 2018 in Tokyo at the age of 81.
Hiromasa Yonekura