Alken may refer to:
People Henry Thomas Alken (1785–1851), English painter and engraver Samuel Alken (1756–1815), English engraver
Places Alken, Belgium Alken, Denmark Alken, Germany
See also Alkan (disambiguation) Alkin Alkon (disambiguation) Alkene[s], unsaturated hydrocarbons that contain at least one carbon-carbon double bond