| Named By: | K. Y. Eskov & S. L. Zonstein in 2000 |
| Time Period: | Early Eocene |
| Location: | Russia - Baltic coast |
| Size: | Carapace on thorax is 2.63 millimetres, Abdomen is 2.50 millimetres. Total body length including the chelicerae (fangs) is 5.88 millimetres long |
| Diet: | Insectivore |
| Fossil(s): | Single male almost perfectly preserved in Baltic amber |
| Classification: | | Arthropoda | Arachnida | Araneae | Opisthothelae | Mygalomorphae | Ctenizidae | |
Electrocteniza is an extinct monotypic genus of spider in the family Ctenizidae. At present, it contains the single species Electrocteniza sadilenkoi. The genus is solely known from the Early Eocene Baltic amber deposits in the Baltic Sea region of Europe.