The name Martha is not associated with any specific reindeer in real life. However, the name Martha has been used for a female reindeer in several fictional works and in popular culture, such as in the animated television series "Rudolph the Red-Nosed Reindeer" and in the 2008 movie "Christmas Reindeer". In these stories, Martha is often depicted as a kind and gentle reindeer who is a close friend of the protagonist, Rudolph. She is also often portrayed as being a mother figure to the other reindeer in the herd.