Tina Rose Muña Barnes (born August 24, 1962)[1] is a Guamanian politician, currently serving as her 7th term as a senator in the Guam Legislature.

[3] Barnes has worked for Public Defender Service Corporation,[4] the Law Office of Brooks and Klitzkie,[4] Atkins Kroll Toyota,[1][4] and Guam Autospot.

[5] She is married to baseball member Jacob Cruz "Jake" Barnes and have four children (Tiffany, Coby, Jathan and Minna), including five grandchildren.

[20] After months of waiting, Speaker Muña Barnes had called the Guam Legislature into session to address her War Claims Bill.

Having seen the successes of the program in her previous terms,[25] Muña Barnes felt that it was her responsibility to train the leaders of tomorrow.

The institute is a unique and rigorous program where interns have the opportunity to learn first-hand about the island's legislative process by participating in a variety of activities from bill research and writing, organizing and conducting public policy briefings, paging, and by providing executive-level staffing.