视场星系（Field galaxy）是不属于任何大的星系团，绝大多数都存在于星系团之外，但是有引力场的星系。

多数的低表面亮度星系都是视场星系。

A field galaxy is a galaxy that does not belong to a larger cluster of galaxies and hence is gravitationally alone.

Roughly 80% of all galaxies located within 5 Mpc (16 Mly) of the Milky Way in groups or clusters of galaxies. Most low-surface-brightness galaxies are field galaxies. The median Hubble-type of field galaxies is Sb, a type of spiral galaxy.