Merck may refer to:

• Merck & Co., Inc. (aka MSD, MERCK SHARP & DOHME), the USA pharmaceutical company that was spun off from the German pharmaceutical company Merck KGaA during World War I
• Merck KGaA, the German pharmaceutical company
• the Merck Manual, a medical textbook published by Merck & Co.
• the Merck Index, an encyclopedia of Chemistry, published by Merck & Co.
• Merck Records, an IDM record label based in Miami, Florida.
• Johann Heinrich Merck (1741-1791), German author and literary critic.

See also: mIRC - an IRC program. Merck & Co. ... Merck KGaA is a German based pharmaceutical company. ... Combatants Allies: Serbia, Russia, France, Romania, Belgium, British Empire, United States, Italy, and others Central Powers: Germany, Austria-Hungary, Bulgaria, Ottoman Empire Casualties Military dead: 5 million Civilian deaths: 3 million Total of dead: 8 million Military dead: 4 million Civilian deaths: 3 million Total dead: 7 million The First... Merck KGaA is a German based pharmaceutical company. ... The Merck Manual of Diagnosis and Therapy (often referred to simply as The Merck Manual) is one of the worlds most widely used medical textbooks. ... The Merck Index is an encyclopedia of chemicals, drugs and biologicals with over 10,000 monographs on single substances or groups of related compounds. ... Merck Records is a record label based out of Miami and run by Gabe Koch. ... This article or section does not cite its references or sources. ... The Magic City, The American Riviera, The Sixth Borough Location of Miami in Miami-Dade County, Florida. ... Johann Heinrich Merck (April 11, 1741 - June 27, 1791), German author and critic, was born at Darmstadt, a few days after the death of his father, a chemist. ... mIRC is a shareware Internet Relay Chat client for Windows, created in 1995 and developed by Khaled Mardam-Bey. ... Internet Relay Chat (IRC) is a form of instant communication over the Internet. ...