Maryna and Serhiy Dyachenko

Spouses Maryna Yuryevna Dyachenko and Serhiy Serhievich Dyachenko (rus. Марина и Сергей Дяченко, ukr. Марина та Сергій Дяченки) are Russophone Ukrainian co-authors of fantasy literature. They write in Russian, but also often publish their books in Ukrainian. The Dyachenkos hail from Kiev and currently reside in Moscow, Russia.