Duncan Mahlangu

{{short description|South African taekwondo practitioner}}

{{Use dmy dates|date=April 2022}}

{{Infobox sportsperson

| headercolor = #eecf70

| name = Duncan Mahlangu

| image =

| imagesize =

| caption =

| fullname = Duncan Mahlangu

| nickname =

| nationality = {{RSA}}

| birth_date = {{birth date and age|1983|8|8|df=yes}}

| birth_place = Pretoria, South Africa

| death_date =

| death_place =

| height = {{height|m=1.83|abbr=on}}

| weight = {{convert|68|kg|lb|0|abbr=on}}

| sport = Taekwondo

| event = 68 kg

| club =

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| medaltemplates =

| show-medals = yes

}}

Duncan Mahlangu (born August 8, 1983 in Pretoria) is a South African taekwondo practitioner, who competed in the men's featherweight category.{{cite sports-reference|title = Duncan Mahlangu|url = https://www.sports-reference.com/olympics/athletes/ma/duncan-mahlangu-1.html|archive-url = https://web.archive.org/web/20200418095709/https://www.sports-reference.com/olympics/athletes/ma/duncan-mahlangu-1.html|url-status = dead|archive-date = 18 April 2020|access-date = 2 January 2015}} He captured a silver medal in the 68-kg class at the 2003 World Olympic Qualification Tournament in Paris, France, and later represented his nation South Africa at the 2004 Summer Olympics.{{cite news|title=Tackling taekwondo|url=http://www.news24.com/xArchive/Sport/OntheTouchline/Tackling-taekwondo-20040510|publisher=News24|date=10 May 2004|accessdate=2 January 2015}}

Mahlangu qualified as a lone taekwondo fighter for the South African squad in the men's featherweight class (68 kg) at the 2004 Summer Olympics in Athens, by placing second behind South Korea's Lee Won-jae and granting a berth from the World Olympic Qualifying Tournament in Paris, France.{{cite web|title=Athens 2004: Taekwondo – Men's Entry List by NOC|url=http://library.la84.org/6oic/OfficialReports/2004/Results/Taekwondo.pdf|format=PDF|pages=2–4|work=Athens 2004|publisher=LA84 Foundation|accessdate=28 December 2014}}{{cite news|first=Jermaine|last=Craig|title=Mahlangu out to kick his way to a medal|url=http://www.iol.co.za/sport/athletics/mahlangu-out-to-kick-his-way-to-a-medal-1.537055|publisher=Independent Online (South Africa)|date=30 April 2004|accessdate=28 December 2014}} He failed to move beyond the opening round in a 7–11 defeat to Guatemalan taekwondo fighter and two-time Olympian Gabriel Sagastume. With his opponent losing the semifinal to Chinese Taipei's Huang Chih-hsiung, Mahlangu denied his chance to compete for the Olympic bronze medal through the repechage rounds.{{cite web|title=Taekwondo – Men's Featherweight (68kg/150lbs) Round of 16|url=http://news.bbc.co.uk/sport2/hi/olympics_2004/martial_arts/results/3534260.stm|work=Athens 2004|publisher=BBC Sport|date=12 August 2004|accessdate=24 September 2013}}{{cite news|title=Not a good day for SA|url=http://www.news24.com/xArchive/Olympics2004/SAOlympians/Not-a-good-day-for-SA-20040827|publisher=News24|date=27 August 2004|accessdate=2 January 2015}}{{cite news|first=Brad|last=Morgan|title=Olympic Team SA takes six|url=http://www.southafrica.info/about/sport/features/athens2004-update6.htm#.VKZ1sa2KVqt|publisher=SouthAfrica.info|date=31 August 2004|accessdate=2 January 2015|archive-url=https://web.archive.org/web/20150614002125/http://www.southafrica.info/about/sport/features/athens2004-update6.htm#.VKZ1sa2KVqt|archive-date=14 June 2015|url-status=dead}}