Star Trek Engagement Calendars
The Star Trek Engagement Calendar is a Star Trek desk calendar that began regular production in  for the year . It is a sixteen-month engagement-style calendar that features images, quotations, and reflections from all of the Star Trek captains.

The 2013 calendar and its follow-ups are published by Universe Publishing.

While Universe Publishing is the first company known to release engagement desk calendars on a regular basis, it was not the first to actually release a Star Trek-themed engagement desk calendar. That distinction fell to Wallaby Books, an imprint of Pocket Books, who released the weekly Star Trek: The Motion Picture - The Official USS Enterprise Officer's Date Book (1980) desk engagement calendar in 1979 as a tie-in for . Due to the disappointing performance of the film's merchandise sales, that desk calendar remained an one-off release for decades afterwards.

Calendars produced
Wallaby Books
Star Trek: The Motion Picture - The Official USS Enterprise Officer's Date Book (1980)
Universe Publishing
Star Trek Captain's Log Engagement Calendar (2013)
Star Trek Engagement Calendar (2014)
Star Trek Engagement Calendar (2015)
Star Trek Engagement Calendar (2016)
Star Trek Engagement Calendar (2017)
Star Trek Engagement Calendar (2018)
Star Trek Engagement Calendar (2019)
Star Trek Engagement Calendar (2020)

 Engagement