Biological Rhythm Research is a peer-reviewed academic journal that publishes articles about research into the broad topic of biological rhythms.

The areas covered range from studies at the genetic or molecular level to those of behavioural or clinical topics involving ultradian, circadian, infradian, or annual rhythms.

The journal publishes original scientific research papers, review papers, short notes on research in progress, book reviews and summaries of activities, symposia and congresses of national and international organizations dealing with rhythmic phenomena.

It has been named Biological Rhythm Research since 1994.

[2] The journal's SCOPUS Cite Score is 0.805.