Justice Barker may refer to:

• James Barker (Massachusetts judge), an Associate Justice of the Massachusetts Supreme Judicial Court
• Michael Barker (judge), a Judge of the Supreme Court of Western Australia
• William M. Barker, a Chief Justice of the Tennessee Supreme Court

• Plumed Hydroid
• Plumed hydroid
• Plumed jewelflower
• Plumed midge-orchid
• Plumed Serpent (Grimm)
• Plumed worm
• Plume (hydrodynamics)
• Plume (Irama album)
• Plume (Loscil album)
• Plumer Barracks
• Plumer, Charles
• Plumeria caterpillar
• Plumeria portoricensis
• Plumer, Thomas
• Plume rush
• Plumerville School Building
• Plumer, William
• Plume smoke-bush
• Plumes (play)
• Plum Estate, Kameido
• Plumet, Charles
• Plume, Thomas
• Plume-toed swiftlet
• Plumfield, Illinois
• Plum Flower award