Letty Jimenez-Magsanoc (September 13, 1941 – December 24, 2015) was a Filipino journalist and editor, notable for her role in overthrowing the dictatorship of Ferdinand Marcos.

[3] Magsanoc is among three journalists whose names were added to the Bantayog ng mga Bayani (Monument of Heroes) Wall of Remembrance in 2016.

"[4] Magasanoc was recognized "for testing the limits of press freedom as writer and editor, for defying media restrictions and censorship under martial rule and for facing up to the wrath of the dictatorship.

Jimenez-Magsanoc died on the night of Christmas Eve, December 24, 2015, at St. Luke's Medical Center in Taguig, after suffering from cardiac arrest.

When the women's section editor of the Bulletin's Sunday magazine, Panorama left, Magsanoc was asked to take the job.

Five months after being named one of the 1981 Ten Outstanding Women of the New Society she was forced to resign after writing an article perceived as critical to the government.

"[15] Magsanoc's forced resignation sparked a media furore, with journalists using their columns to speak out, though several pieces were suppressed by publishers.

Several articles rejected by other magazines were published by Eugenia Apostol's women's magazine, Mr & Ms. Magsanoc's article was a piece about the inauguration, illustrated with candid photographs and captions, under the title There Goes the New Society; Welcome the New Republic [16] The forced resignation of Letty Jimenez Magsanoc was the first of a series of events that led to criticism of the Marcos government for suppressing press freedom.

[13] Magsanoc was invited to become editor of Mr & Ms Special Edition by publisher Eugenia Apostol in the aftermath of the assassination of opposition leader Benigno Aquino Jr.[20] Apostol, in her acceptance speech at the 2006 Magsaysay Award for Journalism, Literature and Creative Communication Arts, said: "The Filipinos were outraged and more than two million of them joined (Aquino's) funeral procession.

That was when I decided to do a 16-page special issue on Ninoy Aquino's funeral, using the resources of a woman's magazine called Mr. & Ms. which I was then editing ...

Every week we felt called upon to record the various demonstrations of civilians against Marcos, and when no reprisal came (except for an invitation to an interrogation at Fort Bonifacio in January 1983), we went on for three years ..."[20] Magsanoc was the first editor-in-chief of the Sunday Inquirer Magazine from 1986 to 1987.