William Spetz (born 4 April 1996 in Umeå) is a Swedish comedian and television personality. He became known after posting comedic videos on YouTube, he then got to do the two comedic kids shows Williams lista and Scener ur ett tonårsliv which was aired on SVT Play.
Spetz started blogging at the age of 12 at the blog portal Blogspot, but because of lack of interest he asked the paper Västerbottens-Kuriren if he could start a youth blog at their blog portal. In May 2010, Spetz started to do videoblogs at the YouTube channel "Lilla bloggen". In 2014, Spetz was a travelling reporter for Musikhjälpen and travelled to Mozambique. Spetz has also been a panellist at Intresseklubben on SVT. In November 2015, it was announced by SVT, that Spetz was one of the co-hosts alongside Gina Dirawi for the final of Melodifestivalen 2016.

Den svenska Youtube-historien
Self (archive footage) · (3 episodes)
2025

Tore
Tore · (6 episodes)
2023

All We Karlsson's
Raymond Carlzon · (4 episodes)
2022

Mini-Zlatan and Uncle Darling
Majsan
2022

Day by Day
Simon
2022

Liv Strömquist tänker på sig själv
2021

Min Historiske Pojkvän
Carl-Fredrik · (1 episode)
2021

Hallberg
Toves kille · (1 episode)
2021

Filip och Mona
Filip · (8 episodes)
2019

Luuk & Hallberg
Self · (1 episode)
2019

Quicksand
Samir Said · (6 episodes)
2019

All Against All
Himself - Contestant · (2 episodes)
2019

All Against All
Self - Contestant · (5 episodes)
2019

Sune vs Sune
Dan
2018

Second Run
Cesar · (16 episodes)
2018

Lingonligan
Marcus · (8 episodes)
2018

I Love You: A Divorce Comedy
Fabbe
2016

Lea and the Forest Pirates
Dot (voice)
2016

Renées brygga
Himself · (1 episode)
2015

Vaskduellen
Hårvaskaren
2015

Valfeber
2014

Svensk humor
Various roles · (10 episodes)
2013

QI (SE)
Panelist · (1 episode)
2012

Hellenius Hörna
Self - Guest · (1 episode)
2010

Solsidan
Sappe · (4 episodes)
2010

Mäklarna
Kevin · (6 episodes)
2006

Robins
Self - Guest · (2 episodes)
2006

Go'kväll
Guest · (1 episode)
1997

Melodifestivalen
Self · (1 episode)
1959