Mercury 2

Mercury 2 or variants may refer to:


 * Mercury 2, a spacecraft of Project Mercury
 * Mercury(II), an oxidation state of the element Mercury
 * Mercury II, a version of the Blackburn Mercury early British aircraft
 * Mercury II, a 1928 version of the Bristol Mercury aircraft engine
 * Mercury 2, a defunct website that hosted older versions of a popular MMO game. It was owned by a person known as "Taskmanager".