Ivan Langer (born 1 January 1967 in Olomouc) is a former Czech politician.

Langer graduated from the Medical Faculty of Palacky University in Olomouc and the Law Faculty at Charles University in Prague.

As a politician Ivan Langer focused on public administration and drug policy, co-authoring the book Rational Drug Policy.

Langer now serves as the chairman of the board of several institutions: the CEVRO think tank, which he founded, the private CEVRO Institute, Safe Olomouc Foundation, the Olomouc Fortress Museum, the Policemen and Firemen Foundation, and Children's Road Safety Foundation.

This biographical article about a Czech politician is a stub.