Protoplasma is a bimonthly peer-reviewed scientific journal covering various aspects of protoplasm research.

It is published by Springer Science+Business Media and was established in 1926.

The editor-in-chief is P. Nick (University of Karlsruhe).

[1] The journal publishes research articles, reviews, and commentaries related to protoplasm, including its cell structure, signal transduction, biotechnology, and genetic engineering.

The journal is abstracted and indexed in: According to the Journal Citation Reports, the journal has a 2021 impact factor of 3.186.