Hermann Merkin (born 1907 in Leipzig, Germany, died March 9, 1999, in New York City) was a German-born American businessman and philanthropist.
After the war, he purchased a seat on the New York Stock Exchange, and founded Merkin & Company, an investment firm.
He met and married Ursula Breuer in 1950 in New York City and had six children (three sons and three daughters); at the time of his death, he had 20 grandchildren.
He and his wife Ulla, sponsored the well-known Merkin Concert Hall in New York City and also gave generously to Mount Sinai Hospital, Yeshiva University- sponsoring a chair in memory of his father Leib Merkin and a college in memory of his late father-in-law, Isaac Breuer.
The school (IBC) or Isaac Breuer College of Hebraic Studies is an undergraduate program at Yeshiva University, where he served on the board of trustees for over three decades, even holding the position of chairman for a short time.