Gay Pride Istanbul (Turkish: Onur Yürüyüşü) is a gay pride march and LGBT demonstration held annually in Turkey's biggest city, Istanbul. The event first took place in 2003 and now occurs each year on either the last Sunday of June or the first Sunday of July, to mark the end of Istanbul pride week. About 30 people took part in the first Gay Pride Istanbul. The numbers have increased exponentially each year, reaching roughly 5,000 people by 2010. The 2011 gathering attracted over 10,000 people, therefore making Gay Pride Istanbul the biggest march of its kind in the Muslim World. The 2012 pride march, which took place on 1 July, attracted between 10,000 and 30,000 people.
Participants assemble in Taksim Square before marching the entire length of İstiklal Avenue. This is a wide pedestrian boulevard and one of Istanbul's most important public spaces, the frequent home of bayram and regional festivals.
On 30 June 2013, the pride parade attracted almost 100,000 people. The protesters were joined by Gezi Park protesters, making the 2013 Istanbul Pride the biggest pride ever held in Turkey. The 2014 pride attracted more than 100,000 people. The European Union praised Turkey that the parade went ahead without disruption. On Sunday 29 June 2015, Reuters reported that Turkish police used a water cannon to disperse the gay pride parade 
In 2016 the pride march was banned by the local government "for the safety of our citizens, first and foremost the participants’, and for public order.". LGBT organizations have also not been allowed to make a press statement. The governate of Istanbul once again claimed that a gathering of LGBT would not be allowed. "Within Law No: 5442, this request has not been approved due to the terror attacks that have taken place in our country and the area; because provocative acts and events may take place when the sensitivities that have emerged in society are taken into account; and because it may cause a disruption in public order and the people’s- including the participants of the event- tranquility, security, and welfare." 
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In 2018, for the fourth consecutive year the Istanbul Governor’s Office yet again banned the LGBT Pride Parade, citing security concerns and public order, but around 1,000 people defied the ban, they were met with tear gas and rubber bullets. 11 participants were arrested.
The Istanbul Pride parade is not supported by the government and is organized without permission from the municipality. In 2016 the pride got banned by the local authorities.
- Bahçeşehir Üniversitesi “Gri (Gender roles and identities)” Kulübü
- Bilkent Üniversitesi Think colorful! LGBTQ student's Society
- Bilgi Gökkuşağı LGBT student's Society
- Hebûn LGBT Diyarbakır Organization
- İLLET İstanbul anti-authoritarian pleasure and resistance network of feminist women, trans, queer. İstanbul LGBT Solidarity Association.
- İstanbul LGBTT Solidarity Organization
- İTÜ Cins Arı LGBT Öğrenci Topluluğu
- İÜ Radar LGBT Öğrenci Topluluğu
- Kadın Kapısı (Women's door)
- Kaos Gay and Lesbian Cultural Research and Solidarity Association
- LİSTAG – Istanbul group of Families of LGBT
- luBUnya Boğaziçi Üniversitesi LGBT Society
- MorEl Eskişehir LGBTT Organization
- ODTÜ LGBT Dayanışması
- Pembe Hayat LGBTT Solidarity Association
- Sabancı Üniversitesi Gender Club
- Siyah Pembe Üçgen İzmir LGBTT Association
- Voltrans Trans Erkek Initiative
- SPoD Social Policies, Gender Identity and Sexual Orientation Studies Association
Other institutions and organizations that contribute to the pride march are:
- Amnesty International
- Anadolu Kültür
- Open Society Foundation
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- "Turkish police use water cannon to disperse gay pride parade - by Mehmet, Caliskan and Yesmin Dikmen". in.reuters.com. Retrieved 2015-06-28.
- T.C. İstanbul Valiliği | BASIN DUYURUSU
- LGBTİ+ Onur Haftası basın açıklamasına da Valilik’ten ‘hassasiyet’ yasağı! | Kaos GL Haber Portalı
- "Governor's Office bans LGBT Pride March in Istanbul". hurriyet.
- "Türkiye LGBTİ Birliği: Lezbiyen, Gay, Biseksüel, Transgender ve İnterseks". lgbti.org.
- "ALDE MEPs participate in gay prides in Zagreb and Istanbul :: VVD Jeanine Hennis-Plasschaert". Jeaninehennisplasschaert.vvd.nl. 2008-06-25. Archived from the original on 2012-04-25. Retrieved 2012-09-26.
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