Lily Mariye (born September 25, 1964) is an American television director, filmmaker and actress.

From 1994 to 2009 she had a regular role as nurse Lily Jarvik on the NBC television series ER. She has appeared in many films such as The Best Little Whorehouse in Texas, Mighty Joe Young, The Shadow, The New Age, The Doctor and Extraordinary Measures. Mariye has guest-starred in over 25 television shows including Teen Wolf, Criminal Minds, Shameless, NCIS L.A., Judging Amy, Ally McBeal, Family Ties, Star Trek: Deep Space Nine and Chicago Hope. She is also an award-winning theatre actress, performing in New York, Los Angeles and other regional theatres around the country.