Tokujin Yoshioka (吉岡徳仁, Yoshioka Tokujin, born January 20, 1967) is a Japanese designer and artist.
 He is active in the fields of design, architecture and contemporary art, and he is internationally acclaimed for his works dealing with light and nature.
 Many of his works chosen as part of permanent collections in museums worldwide, including Museum of Modern Art (MoMA), Le Centre national d’art et de culture Georges-Pompidou (Centre Pompidou) in Paris, and Victoria and Albert Museum in London.
 He has won many international design awards. In 2007 he was named by Newsweek magazine as one of the 100 Most Respected Japanese in the World.
 Tokujin Yoshioka was born in Saga Prefecture, Japan in 1967. Since childhood, influenced by Leonardo da Vinci, learnt painting, such as oil painting, and had particular interest in science.
 After graduating from the Kuwasawa Design School in Tokyo in 1988, he studied under the designers Shiro Kuramata and Issey Miyake.
 He established Tokujin Yoshioka Inc. in 2000.
 Being active in the fields of design, architecture and contemporary art, he creates works under the theme of light and nature, which also reflect the Japanese idea of beauty.
 By using immaterialistic elements, such as light, creates expressions that is unique, surpassing the concept of shape.
 He has designed for Issey Miyake and other global companies such as Cartier, Swarovski, Louis Vuitton, Hermès, Toyota, and Lexus, and has been announcing new works at Salone del Mobile Milano(world's largest international furniture exhibition) in collaboration with Italian furniture brands, including Kartell, Moroso, Glas Italia and Driade.
 He has won many international awards, including Design Miami Designer of the Year, presented to a designer who has made the most significant contribution to design globally, Elle Deco International Design Awards Designer of the Year and Milano Design Award.
 Paper chair 'Honey-pop' (2000) is a chair that changes shape from plane to three-dimensional. By spreading open a 1 cm layer of 120 layers of thin paper, a honeycomb structure is born, and only when a person sits on it, the shape is fixed and the work is completed. 'PANE chair' (2006) is made like fiberous structure of plants, creating a structure with thin fibers of 1mm intertwining. During the production process, a block made of fibers is placed in a paper duct and put in oven as if baking a bread and by adding heat, the form of chair is shape memorized and completed. Chair made of natural crystals 'Venus – Natural crystal chair' (2008) is a work that is transformed into a chair by growing natural crystals in a water tank to create crystalline structure.
 Has announced starting with glass bench 'Water Block' (2002), 'Transparent Japanese House '(2002), 'Chair that disappears in the rain' (2002), 'Waterfall' (2005–2006), 'Glass Tea House – KOU-AN' (2011), 'Water Block – PRISM' (2017). Glass bench 'Water Block' has been exhibited at Musée d'Orsay in Paris since 2011.
 At Musée d' Orsay in Paris, participated in renewal project of the Impressionists Gallery. Together with works of representative Impressionists, Édouard Manet, Edgar Degas, Claude Monet, Paul Cézanne, Pierre-Auguste Renoir, 10 'Water Blocks', glass bench is permanently displayed. It blend in with light painted by the Impressionists painters, creating a space that starts a new conversation between history and contemporary.
 Natural crystal chair 'VENUS – Natural crystal chair' (2008) is a work in which in a water tank, natural crystals are grown to form crystalline structures and transformed into a chair. One music piece creates one painting. With crystal paintings, 'Swan Lake', 'Destiny' and 'Moonlight', music is played during the growth process of crystals and is completed when forms of crystals are changed with the vibrations of sound. 'Rose' is a sculpture crystallizing colour pigments of rose, expressing the energy of life.
 Architecture created using more than 500 crystal prisms, the 'Rainbow Church ', focuses on human sense of light perception, and is a work that is completed when a person experiences light. It is an architecture that expresses light itself, filling the space with rainbow colors as light is dispersed by prisms.
 At the 54th Venezia Biennnale International Art Exhibition, Glasstress 2011, the collateral event of the 54th La Biennale di Vennezia, the glass tea house – KOU-AN was presented as an architectural project and in 2015, was built on the stage (observation deck) of Shogun-zuka, a mound of Shogun, Seiryu-den, which is a precinct of Tendai Sect Shoren-in Temple. Ao (Blue) Fudo Myo-o statue, a national treasure, one of the three great Fudo, god of fire, is dedicated to Seiryu-den. From its 220 meters altitude big stage, you can enjoy a panoramic view over Kyoto city below. In the year 794, Emperor Kanmu visited this place and appreciating its basin formation (landscape) was convinced that Kyoto is the most suitable place to be designated a capital, initiating construction of the ancient capital city. So, it is said that this is the original point where ancient capital city of Kyoto, a city that symbolizes Japanese culture began.
 On March 20, 2019, the torch for the 2020 Summer Olympics in Tokyo was unveiled. The torch was designed by Yoshioka to be built in the shape of an iconic Japanese cherry blossom (sakura) flower using the aluminium extrusion manufacturing technology employed to produce Shinkansen bullet trains. He also designed the Paralympic torch for the 2020 Summer Paralympics.