Mark Ryden (born January 20, 1963) is an American painter who is considered to be part of the Lowbrow (or pop surrealist) art movement.

[3] Ryden has been described as a "relentless kitsch meister working in the tradition of Bosch, Dalí, and Little Golden Books"[4] and a master of Lowbrow style.

[5] His inspirations include "old children’s books, interesting product packages, toys, photographs, medical models, skeletons, shells, minerals, and religious statues.

; the Red Hot Chili Peppers' One Hot Minute; Scarling.’s Sweet Heart Dealer and their alternative vinyl cover of So Long, Scarecrow; Jack Off Jill's Clear Hearts Grey Flowers; the Screaming Trees' Uncle Anesthesia; Marcy Playground's Shapeshifter; and Aerosmith's "Love in an Elevator".

The central theme of the show referenced the idealism and sentimentalism of the 1890s while addressing the role of kitsch and nostalgia in current culture.

According to The New York Times, "Ryden’s pictures hint at the psychic stuff that pullulates beneath the sentimental, nostalgic and naïve surface of modern kitsch.

[20] On May 13, 2014, Ryden released an album titled The Gay Nineties Olde Tyme Music: Daisy Bell, featuring Tyler, the Creator, "Weird Al" Yankovic, Katy Perry, Stan Ridgway of Wall Of Voodoo, Danny Elfman, Mark Mothersbaugh of Devo, Nick Cave, Scarling., Kirk Hammett of Metallica, and Everlast.

The proceeds from the signed and limited edition record benefited Little Kids Rock, a nonprofit that supports musical education in disadvantaged elementary schools.

[21][22] Ryden developed costumes and sets for a two-act ballet titled Whipped Cream, which premiered in March 2017 at the Segerstrom Center for the Arts in Costa Mesa, California.