Physica is a Dutch series of peer-reviewed, scientific journals of physics by Elsevier.

It started out in 1921 as a journal of the Nederlandse Natuurkundige Vereniging (Netherlands Physical Society) that published mostly in Dutch.

It is concerned with statistical mechanics and its applications, particularly random systems, fluids and soft condensed matter, dynamical processes, theoretical biology, econophysics, complex systems, and network theory.

Physica A is published by Elsevier on a bimonthly basis (24 times per year).

Physica D is published by Elsevier on a bimonthly basis (24 times a year).