Dee Dee is a main character in the cartoon series, Dexter's Laboratory. She is the older sister of the titular character and is often a source of conflict in the series. Her free spirit and her tendency to be both curious and destructive, often clash with Dexter' stern, analytic mind and his inventions.

Dee Dee is a character in several fan fictions, having in different backgrounds of the character and so resulting in vastly different characters. Dee Dee might refer to:

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