Sienna Day

Sienna Day swapped a Theology course for the adult industry in 2013

Sienna Day was born in Darlington, County Durham, in May 1991, and has also gone by Siena Day and simply Sienna. She was earning a living between the dining room and the kitchen of a restaurant when she enrolled in a university course in Theology; she left it in September 2013, aged 23, to begin working as a pornographic actress.

Sienna Day has appeared in more than 370 films since her 2013 debut

Since debuting in 2013, Sienna Day has worked in more than 370 films for production companies including Pure Play Media, Digital Playground, Mile High, Naughty America, Video Marc Dorcel, Cumloader, 21Sextury, Hustler Video, Pervision, Wicked, Brazzers, Evil Angel, Private and Reality Kings. Her filmography includes titles such as A Country Retreat, Bikini Bang Bang, Cheating Babes, Gold Digging Strippers, Inner Piece, Invitation, London Knights, Pleasure Business, Real Slut Party 21, Sherlock XXX and XXX Euro Trip 3.

Sienna Day’s AVN nominations in 2016 and 2017

Sienna Day was nominated at the AVN Awards for “Foreign Female Performer of the Year” in 2016 and again in 2017. In 2018 she earned her first nomination for “Best Sex Scene in a Feature Movie”, for her work in “Bulldogs” alongside Luke Hardy and Marc Rose.

A birthday trip to an amusement park became the plot of a three-part scene

In August 2025, Sienna Day featured alongside Matt Bird, Dean Van Damme and “Porno Dan” Leal in a three-part release from Immoral Productions. Its opening scene follows Day and Leal to an amusement park for her birthday, with the second part bringing all four performers together.

Consecutive Roma Amor covers closed out 2019 and opened 2020

In December 2019, Sienna Day appeared on the cover of “5PM”, directed by Roma Amor, alongside Tina Kay and Cassie Del Isla, ahead of a December 17 street date. The following month, she returned to a cover for Roma Amor’s “Sweat On”, appearing alongside Tina Kay, Stacy Cruz, Emilio Ardana, Max Deeds and Aaron Rock in a release featuring three boy/girl scenes, with a January 14 street date.