Trenchcoat

The Fifteenth Doctor's burnt orange double breasted trenchcoat. (PROSE: "Heroes of Time" ^[+]Part of Whotopia: The Ultimate Guide to the Whoniverse, Loading...{"namedpart":"Heroes of Time","1":"Whotopia: The Ultimate Guide to the Whoniverse (reference book)"})

You may be looking for the Thirteenth Doctor or Fifteenth Doctor trenchcoat.

Trenchcoats were coats made for protection from weather, famously worn on wars.

Worn by the Doctor

The Fourth Doctor wore a walnut brown trenchcoat with dark brown trim when going to check on Earth during 16087, (TV: The Ark in Space) and when he fought Field Major Styre of the Sontaran G3 Military Assessment Survey and tricked his marshal into cancelling an invasion of Earth. (TV: The Sontaran Experiment) He also wore a single-breasted trenchcoat of plum purple velvet when he and Romana II foil Tryst's conversion of Mandrels into Vraxoin. (TV: Nightmare of Eden) He eventually wore a burgundy trenchcoat, (TV: The Leisure Hive) up to his death after the Tremas Master's Entropic Enterprise. (TV: Logopolis) His successor, the Fifth Doctor, wore it before switching for a beige frock coat with scarlet trim. (TV: Logopolis, Castrovalva)

The Seventh Doctor tried a copy of the Fourth Doctor's burgundy trenchcoat before eventually going for a silver grey safari jacket. (TV: Time and the Rani) He also wore a black leather trenchcoat on Nazi Germany. (PROSE: Timewyrm: Exodus)

The War Doctor wearing a leather trenchcoat. (TV: The Day of the Doctor)

The War Doctor wore some double-breasted trenchcoats of leather with peaked lapels done in coal black, (AUDIO: Lion Hearts) walnut brown, (COMIC: The Clockwise War) wood brown, (COMIC: Ambush) cinnamon brown, (COMIC: The Lost Dimension) ebony black, (COMIC: The Whole Thing's Bananas) chestnut brown, (COMIC: Four Doctors) caramel brown, (TV: First Rule), or chocolate brown. (PROSE: Engines of War). His chocolate brown trenchcoat was his last one which he wore in the Battle for the Tantalus Eye, (PROSE: Engines of War) and right up to his death after the 1562/2013 Zygon Invasion of Earth and the Fall of Gallifrey. (TV: The Day of the Doctor)

In World War I, the Ninth Doctor wore a British Army trenchcoat. (COMIC: The Forgotten)

The Thirteenth Doctor wore a hooded, periwinkle trenchcoat with midnight blue interim, apart from the sleeves, which had lavender insides, and a rainbow pattern along the edges. (TV: The Woman Who Fell to Earth ^[+]Loading...["The Woman Who Fell to Earth (TV story)"] - The Power of the Doctor ^[+]Loading...["The Power of the Doctor (TV story)"])

The Fifteenth Doctor frequently wore a double-breasted trenchcoat of burnt orange leather with peaked lapels over his stripy cardigans. (PROSE: "Heroes of Time" ^[+]Part of Whotopia: The Ultimate Guide to the Whoniverse, Loading...{"namedpart":"Heroes of Time","1":"Whotopia: The Ultimate Guide to the Whoniverse (reference book)"}; TV: The Church on Ruby Road ^[+]Loading...["The Church on Ruby Road (TV story)"])

A child incarnation of the Doctor bound to a high-tech wheelchair wore a double-breast trenchcoat of tan leather. (PROSE: Rose)

The Warrior, a parallel version of the Doctor's fifth incarnation which looks similar to the sixth, wore a double-breasted trenchcoat of chocolate brown leather with peaked lapels similar to the War Doctor of N-Space. (AUDIO: Aftershocks)

Worn by companions

Sarah Jane Smith occasionally wore many double-breasted trenchcoats with peaked lapels. (TV: Eye of the Gorgon ^[+]Loading...["Eye of the Gorgon (TV story)"], The Last Sontaran ^[+]Loading...["The Last Sontaran (TV story)"], The Mark of the Berserker ^[+]Loading...["The Mark of the Berserker (TV story)"])

Amy Pond wore a double-breasted teal trenchcoat with peaked lapels during her encounter with Vincent van Gogh. (TV: Vincent and the Doctor ^[+]Loading...["Vincent and the Doctor (TV story)"])

Donna Noble wore a single-breasted trenchcoat of tan leather with peaked lapels during her final adventures with the Tenth Doctor (TV: Turn Left ^[+]Loading...["Turn Left (TV story)"]) including the Planetary Relocation Incident caused by Davros and the New Dalek Empire; and also during the Tenth Doctor's siphoned regeneration. (TV: The Stolen Earth ^[+]Loading...["The Stolen Earth (TV story)"]/Journey's End ^[+]Loading...["Journey's End (TV story)"])

Martha Jones wore a double-breasted trenchcoat of charcoal grey leather with peaked lapels with her mauve tank top. (TV: Reset ^[+]Loading...["Reset (TV story)"])

Susan Foreman wore a beige trenchcoat during the Game of Rassilon. (TV: The Five Doctors ^[+]Loading...["The Five Doctors (TV story)"])

Tegan Jovanka wore a double-breasted trenchcoat done in charcoal grey with a steel blue trim. (TV: The Power of the Doctor; WC: The Passenger; GAME: Lost in Time)

Liz Shaw wore a chocolate brown leather trenchcoat when she met Sylvia in the 1970s. (AUDIO: Intelligence for War)

Lieutenant Harry Sullivan, a doctor from UNIT, wore a beige trenchcoat when posing as a member of the Ministry of Defence to question the National Institute for Advanced Scientific Research. (TV: Robot)

Worn by the Master

The Master wore trenchcoats in some incarnations.

The Bruce Master wore a black leather trenchcoat during the 2223 Dalek invasion of Earth. (AUDIO: Faustian-Passion)

The Spy Master wore a double-breasted trenchcoat of black leather with peaked lapels when posing as a Nazi in Paris during 1943. (TV: Spyfall ^[+]Loading...["Spyfall (TV story)"]) He also wore the Thirteenth Doctor's periwinkle trenchcoat when processing her body as part of his master plan. (TV: The Power of the Doctor ^[+]Loading...["The Power of the Doctor (TV story)"])

Worn by others

Detective Duggan wore a beige trenchcoat when he helped the Fourth Doctor and Romana II. (TV: City of Death)

Sally Sparrow wore a dark brown trenchcoat during her first encounter with Weeping Angels. (TV: Blink)

Ambrose Northover wore a magenta trenchcoat during her first encounter with Silurians including when she betrayed the Eleventh Doctor, killed Alaya, and almost doomed her people to Restac during the Cwmtaff incident. (TV: The Hungry Earth|Cold Blood)

Vienna Salvatori who dwelled during the 2223 Dalek invasion of Earth wore leather trenchcoats done in navy, (AUDIO: The Shadow Heart-Vengeance) or ebony black. (AUDIO: The Nemesis Express-Passion)

John Ellis wore two trenchcoats; one in raven black, and one in tan. (TV: Out of Time)

Artie Berger, a piano musician, wore a chestnut brown trenchcoat when helping to capture a sound monster on 1946. (AUDIO: Fright Motif)

Kate Stewart wore a beige trenchcoat during the Year of the Slow Invasion. (TV: The Power of Three ^[+]Loading...["The Power of Three (TV story)"] ; PROSE: The Whoniverse) She also wore a raven black trenchcoat during the 1562/2013 Zygon invasion of Earth, (TV: The Day of the Doctor ^[+]Loading...["The Day of the Doctor (TV story)"]) and also wore a battleship grey one when dealing with Zygon rebels known as Truth or Consequences. (TV: The Zygon Inversion ^[+]Loading...["The Zygon Inversion (TV story)"]/The Zygon Invasion ^[+]Loading...["The Zygon Invasion (TV story)"])

Ursula Blake wore an ochre trenchcoat up to being absorbed by the Absorbaloff. (TV: Love and Monsters)

The Second Rani wore a black trenchcoat when posing as Professor Baxton. (AUDIO: The Rani Elite, Planet of the Rani)

One version of the Corsair with a bowler hat wore a black trenchcoat. (PROSE: Eleven Things You Probably Didn't Know About the Corsair)