Flubber may refer to:

• Flubber, a fictional material in the 1961 Disney film The Absent-Minded Professor
• Son of Flubber, a 1963 sequel to The Absent-Minded Professor
• Flubber (film), a 1997 remake of The Absent-Minded Professor
• Flubber (material), a visco-elastic material often used in children's science projects
• Flubber, a Xavier Institute student in the fictional Marvel Comics universe
• Flubber (album), a 1989 album by Souled American
• Flubber (comics), a fictional character

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