Herrarnas 110 meter häck vid olympiska sommarspelen 2020 avgjordes mellan den 3 och 5 augusti 2021 på Tokyos Olympiastadion i Japan.[1] 40 deltagare från 29 nationer deltog i tävlingen. Det var 29:e gången grenen fanns med i ett OS och den har funnits med i varje OS sedan första upplagan 1896.
Hansle Parchment från Jamaica tog guld efter ett lopp på säsongsbästat 13,04 sekunder. Silvermedaljen togs av amerikanskaGrant Holloway på tiden 13,09 sekunder och bronsmedaljen gick till Ronald Levy från Jamaica som sprang i mål på 13,10 sekunder.
Athletics pictogram.svg Pictograms of Olympic sports – . This is an unofficial sample picture. Images of official Olympic pictograms for 1948 Summer Olympics and all Summer Olympics since 1964 can be found in corresponding Official Reports.
Flag of Jamaica.svg Flag of Jamaica. “The sunshine, the land is green, and the people are strong and bold” is the symbolism of the colours of the flag. GOLD represents the natural wealth and beauty of sunlight; GREEN represents hope and agricultural resources; BLACK represents the strength and creativity of the people. The original symbolism, however, was "Hardships there are, but the land is green, and the sun shineth", where BLACK represented the hardships being faced.
Flag of Chinese Taipei for Olympic games.svg Chinese Taipei Olympic Flag. According to the official website of Chinese Taipei Olympic Committee, Blue Sky(circle) & White Sun(triangles) above the Olympic rings is neither the National Emblem of the Republic of China, nor the Party Emblem of Kuomintang (KMT), but a design in between, where the triangles do not extend to the edge of the blue circle, as registered at International Olympic Committee in 1981 and digitally rendered in 2013. Besides, the blue outline of the five-petaled plum blossom is broader than the red one. Moreover, the CMYK code of the blue one and the Blue Sky & White Sun is "C100-M100-Y0-K0", and different from the Olympic rings (C100-M25-Y0-K0). Note that it's the only version recognized by IOC.