Lab

Lab or Laboratory may refer to:

''For a further listing of laboratories, see here.
 * Professor Elvin Gadd's Lab, the main headquarters of Professor E. Gadd in Luigi's Mansion.
 * The Lab, the main laboratory inside the above headquarters in Luigi's Mansion.
 * The Lab, a room inside the Gloomy Manor in Luigi's Mansion: Dark Moon.
 * The Lab, the main headquarters of Professor E. Gadd in Luigi's Mansion 3.