Nick Jr. may refer to:

• Nick Jr. (block) - a preschool block on Nickelodeon used from 1988 to 2009.
• Nick Jr. (TV channel) - an 24/7 TV channel that serves as a successor to its block. The channel replaced Noggin on September 28, 2009.
• Nick Jr. (Australia) - a TV channel in Australia.
• Nick Jr. (Latin America) - a TV channel in Latin America. Launched on July 1, 2008.
• Nick Jr. (UK & Ireland) - a TV channel in the UK and Ireland.
• Nick Jr. 2 - a second TV channel in the UK and Ireland.

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