What is "ausir"

Ausir may refer to:

• Ausir, one of the forms of the name of Osiris, an ancient Egyptian god
• Ausir "The Wealthy", one of the names of Dior Eluchíl, a fictional character in J. R. R. Tolkien's Middle-earth legendarium
• Ausir, one of the children in the Cottage of Lost Play in J. R. R. Tolkien's The Book of Lost Tales