Heinrich Otto Wieland was a German chemist who won the 1927 Nobel Prize in Chemistry for his determination of the molecular structure of bile acids.

Wieland obtained his doctorate at the University of Munich in 1901 and remained in that city to teach and conduct research. He became professor of chemistry at the University of Munich in 1925 and held that post until his retirement in 1950.

Wieland began his research on bile acids, which are produced by the liver. He found that the three acids he had isolated were steroids of similar structure that was related to cholesterol.

He was honored on a stamp issued by Uganda on the 100th Anniversary of the Nobel Prize.

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