Objects common to the Catalogue of Galactic Planetary Nebulae and the General Catalogue of Variable Stars.

The Perek-Kohoutek planetary-nebula catalogue was searched for coincidences with the Kukarkin et al. variable-star catalogue. Twenty-six objects appear in both catalogues, but only one, the eclipsing binarv UU Sge, appears to be a genuine new variable planetary-nebula central star. The majority of the coincidences are with late-type variable stars erroneously listed as planetary nebulae. Key words: eclipsing binaries - planetary nebulae - symbiotic variables - variable stars