Tim Downs is an American comic artist and author best known for his Downstown comic strip and the Bug Man series of Christian mystery novels.

Tim Federle is an American author, theater librettist, director and screenwriter whose best-known works include the novel Better Nate Than Ever, the cocktail recipe book Tequila Mockingbird, the Golden Globe Award and Academy Awards nominee Ferdinand, and Disney's High School Musical: The Musical: The Series.

Timothy Ferriss is an American entrepreneur, investor, author, podcaster, and lifestyle guru. He became well-known through his 4-Hour self-help book series—including The 4-Hour Work Week, The 4-Hour Body, and The 4-Hour Chef—that focused on lifestyle optimizations, but he has since reconsidered this approach.

Tim Footman is an English author, journalist and editor. He was educated at Churcher's College, Appleby College in Canada, the University of Exeter, and Birkbeck University.

Timothy Martin Gautreaux is a novelist and short story writer.

Timothy MacKenzie Gunn is an American author, academic, and television personality. He served on the faculty of Parsons School of Design from 1982 to 2007 and was chair of fashion design at the school from August 2000 to March 2007, after which he joined Liz Claiborne as its chief creative officer. Over 16 seasons, Gunn has become well known as the on-air mentor to designers on the reality television program Project Runway. Gunn's popularity on Project Runway led to two spin-off shows; Bravo's Tim Gunn's Guide to Style and Lifetime's Under the Gunn, as well as five books. In addition to being an executive producer, Gunn has served as mentor for the teen designers on Project Runway: Junior. He also provides the voice of Baileywick, the castle steward in the Disney Junior television show Sofia the First and narrated the sitcom Mixology.

Tim Villiers Heald FRSL was a British author, biographer, journalist and public speaker.

John Julian Timothy Jeal, known as Tim Jeal, is a British biographer of notable Victorians and is also a novelist. His publications include a memoir and biographies of David Livingstone (1973), Lord Baden-Powell (1989), and Sir Henry Morton Stanley (2007).

Timothy James Keller was an American Calvinist pastor, preacher, theologian, and Christian apologist. He was the chairman and co-founder of Redeemer City to City, which trains pastors for service around the world. He was also the founding pastor of Redeemer Presbyterian Church in New York City and the author of The New York Times bestselling books The Prodigal God: Recovering the Heart of the Christian Faith (2008), Prayer: Experiencing Awe and Intimacy with God (2014), and The Reason for God: Belief in an Age of Skepticism (2008). The prequel for the latter is Making Sense of GOD: An Invitation to the Skeptical (2016).

Tim Krabbé is a Dutch journalist, novelist and chess player.