Pigeon Hole is a Canadian hip hop group from Vancouver. The duo consists of Colin "Dusty Melo" McCue and Lee "Marmalade" Napthine of the band Sweatshop Union. Already an established act on the local hip hop scene in their hometown of Vancouver prior to joining Sweatshop Union, they released their first album as a duo, Age Like Astronauts, in 2010 on URBNET Records. It was one of three albums released on the same day by side projects of Sweatshop Union, alongside Dirty Circus's Alive and Well and Trillionaire$' By Hook or by Crook.

The album features collaborations with D-Sisive, Moka Only and their Sweatshop Union colleagues DJ Itchy Ron and Mos Eisley and was nomintaed for the 2011 WCMA rap recording of the year.