Blazer

A blazer was a jacket resembling a suit jacket, but cut more casually.

Worn by the Doctor

The Fourth Doctor wore a rust corduroy blazer during his earlier days. (TV: Robot, The Ark in Space, The Sontaran Experiment, Genesis of the Daleks, Revenge of the Cybermen)

The Sixth Doctor wore a brown and crimson tweed blazer when undercover in Bletchley Park during 1944. (AUDIO: Criss-Cross), and when visiting Russia in 1947. (AUDIO: Quicksilver) He also wore a peach blazer on the Memory TARDIS. (TV: Vengeance on Varos)

The Seventh Doctor wore blazers of cream linen, (PROSE: White Darkness) or tan herringbone-tweed. (TV: Doctor Who)

The Tenth Doctor wore pinstripe blazers done on dark brown and light blue, (TV: The Christmas Invasion-The End of Time) or navy and crimson. (TV: Smith and Jones-Dreamland) He also wore a charcoal grey tweed blazer when posing as John Smith. (TV: Human Nature/The Family of Blood)

The Eleventh Doctor wore tweed blazers. He wore one of light fawn Donegal tweed, (TV: The Eleventh Hour). He also wore a Harris tweed blazer, (TV: Victory of the Daleks) but lost it while escaping the Weeping Angels aboard the Byzantium (TV: Flesh and Stone) after which he resumed wearing his Donegal tweed jacket, (TV: The Vampires of Venice) though occasionally wore a replacement Harris tweed blazer. (GAME: City of the Daleks) Following Amy and Rory's honeymoon, he began wearing a Shetland tweed blazer. (TV: A Christmas Carol)

The Curator, a future version of the Doctor wore a blazer of olive green herringbone-tweed during the form of an older Fourth Doctor. (TV: The Day of the Doctor)

A parallel version of the Doctor wore a wine purple moleskin blazer when he and Bernice Summerfield fought Faction Cybermen on Nazi Germany. (AUDIO: Blood and Steel)

Worn by Companions

Sarah Jane Smith wore a navy velvet blazer similar to the Third Doctor's when she met the Mona Lisa. (TV: Mona Lisa's Revenge)

Amy Pond wore navy blazers with her t-shirts. (TV: Amy's Choice, The Lodger)

During her time as CEO of A Charitable Earth, Ace wore a black and white pinstripe suit. (AUDIO: Quantum of Axos; TV: The Power of the Doctor)

Donna Noble wore a black blazer during the March of the Adipose. (TV: Partners in Crime) She also wore a Prussian blue blazer during the 2009 Sontaran invasion of Earth. (TV: The Sontaran Stratagem|The Poison Sky)

Clara Oswald wore a plum purple blazer. (TV: Time Heist)

Peri Brown wore a flaxen blazer with black stripes. (TV: The Mysterious Planet)

Yasmin Khan wore a sage green blazer when she went to Punjab during 1947, (TV: Demons of the Punjab) and a black one. (TV: Spyfall)

Dan Lewis wore a navy blue blazer during the early 1900s. (TV: Survivors of the Flux|The Vanquishers)

Ryan Sinclair wore a navy blue pinstripe blazer during a trip to New York during 1903. (TV: Nikola Tesla's Night of Terror).

Ian Chesterton wore a black blazer during a meeting of companions. (TV: The Power of the Doctor)

Jo Jones wore a mahogany velvet blazer when she reunited with Clyde Langer on the Memory TARDIS. (TV: The Three Doctors)

Worn by the Master

The UNIT Master wore black blazers when posing as businessmen. (TV: Terror of the Autons-The Daemons)

The Tremas Master wore a wine velvet blazer during his dark sports with the Determinant, (GAME: Destiny of the Doctor) and during his alliance with Adam Mitchell. (COMIC: Cat and Mouse)

The Bald Master wore velvet blazers done on charcoal (AUDIO: Eyes of the Master) or gunmetal. (AUDIO: Dominion)

The War Master wore a single-breasted blazer of tweed done in charcoal, (AUDIO: The Heavenly Paradigm) or olive green. (AUDIO: The Sincerest Form of Flattery)

The Saxon Master wore black blazers when posing as Harold Saxon. (TV: The Sound of Drums/Last of the Time Lords)

The Spy Master wore a black blazer as part of his acting as O. (TV: Spyfall) He also wore a charcoal tweed blazer as part of his master plan. (TV: The Power of the Doctor)

Worn by Others

Henry Van Statten wore a black and white blazer during the escape of the Metaltron Dalek. (TV: Dalek)

Tobias Vaughn wore a black blazer during the 1970's Cyberman invasion of Earth. (TV: The Invasion)

Cathica wore a black blazer as part of her suit. (TV: The Long Game)

Mr Copper wore a blazer of olive green tweed. (TV: Voyage of the Damned)

Professor Jericho wore a charcoal blazer under his ebony black overcoat during the early 1900s. (TV: Survivors of the Flux|The Vanquishers)

Harriet Jones wore a peach blazer during the London UFO crash and her encounter with Slitheen. (TV: Aliens of London|World War Three) She also wore a black blazer during the 2006 Sycorax Invasion of Earth. (TV: The Christmas Invasion)

Shirley Anne Bingham wore a dark teal tweed blazer when she met the Fourteenth Doctor during the Meep's attempted Destruction of London in 2023. (TV: The Star Beast) She also wore a blazer of steel blue pinstripe when she witnessed the Toymaker’s defeat and the Fifteenth Doctor’s birth. (TV: The Giggle)

Gerald Peach wore a double-breasted blazer of dark brown tweed up to his death. (TV: The Unicorn and the Wasp)

Diagoras wore a double-breasted blazer of ebony pinstripe as did Dalek Sec when he fused with him to become a Human Dalek during the Human Dalek Incident. (TV: Daleks in Manhattan/Evolution of the Daleks)

Grayle wore a double-breasted blazer of ebony pinstripe. (TV: The Angels Take Manhattan)

The Monk wore a blazer of indigo houndstooth tweed. (AUDIO: The Rise of the New Humans)

Janice wore a single-breasted blazer of tan corduroy. (GRAPHIC: Janice)