The show was hosted by Steve Harvey and Ashley Graham, while Fergie and Rachel Platten performed. Carson Kressley joined runway coach and pageant expert Lu Sierra in the commentary and analysis table throughout the telecast. Contestants from 92 countries and territories participated in this year's pageant, surpassing the previous record of 89 contestants in 2011 and 2012.
Australian businessman Troy Barbagallo of Miss Universe Australia organization told the Herald Sun newspaper that he made an offer to IMG for Australia to host the 2017 edition with possible host cities to be either Sydney and Melbourne.[1][2]
On 25 May 2017, the Philippine Department of Tourism stated that the Miss Universe Organization offered to host the pageant again in the Philippines. The country hosted the Miss Universe 2016 pageant. The Miss Universe Organization was accordingly pleased with the Philippines' hosting of the previous pageant claiming it overshadowed the pre-events of the 2017 Super Bowl.[3] On 22 June 2017, the DOT announced that they will not host the pageant this year and considered the possibility of hosting the next edition instead.[4]
On 28 September 2017, the Miss Universe Organization via Instagram confirmed the date and venue for the pageant. According to their Instagram page, the pageant is going to be held on Sunday, November 26, 2017, in The AXIS theatre of Planet Hollywood in Las Vegas, United States.[5]
^ARGENTINA – Stefania Incandela was appointed Miss Universo Argentina 2017 after a casting call organised by Endemol Argentina and TNT Latin America, the franchise holder for Miss Universe in Argentina.[citation needed]
^ARUBA – Alina Mansur was appointed Miss Aruba Universe 2017 at private ceremony after being selected at a casting call organised by Star Promotion Foundation, the franchise holder for Miss Universe in Aruba.[13]
^COSTA RICA – Elena Correa was appointed to represent Costa Rica at Miss Universe 2017 after the national pageant was postponed by René Picado, the President of Teletica networks and the franchise holder for Miss Universe in Costa Rica due to complications in its broadcasting schedule. Elena was the 1st runner-up at the Miss Costa Rica 2016 pageant.[31]
^CURAÇAO – Nashaira Balentien was appointed Miss Curacao Universe 2017 by Corinne Djaoen-Genaro, the national director of Miss Curacao pageant after this year's edition was not held due to lack of sponsorships. Balentien was crowned Miss Curacao World 2016 but withdrew from the Miss World 2016 pageant citing personal reasons.[34]
^GEORGIA — Marita Gogodze was appointed to represent Georgia at Miss Universe 2017 pageant by IC Model Management, the franchise holder for Miss World in Georgia after the national pageant was not held for undisclosed reasons. Gogodze was the 3rd runner-up at the Miss Georgia 2015 pageant.[citation needed]
^LEBANON — Jana Sader was appointed to represent Lebanon at Miss Universe 2017 by MTV Lebanon, after being appointed the new franchise holder for Miss Universe in Lebanon. Jana was the 1st Runner-up at Miss Lebanon 2017.[66]
^MAURITIUS — Angie Callychurn was selected Miss Universe Mauritius 2017 by Nevin Rupear, the national director of Estrella Mauritius pageant after the contestants of Estrella Mauritius 2017 pageant were interviewed by a jury panel. Estrella Mauritius 2017 pageant is postponed to mid March 2018 and all the other remaining contestants will now proceed to compete at the pageant. Callychurn was crowned Miss Supranational Mauritius 2016 and was placed among the Top 25 at Miss Supranational 2016 pageant.[citation needed]
^NEPAL — Nagma Shrestha was appointed Miss Nepal Universe 2017 by Sunder Lal Kakshapati, the national director of Miss Nepal pageant after Kakshapati acquired the Miss Universe franchise for Nepal. Shrestha was crowned Miss Nepal Earth 2012 and was among the Top 8 at Miss Earth 2012 pageant.[74]
^PERU — Priscila Howard was appointed Miss Perú 2017 by Jessica Newton, the national director of Miss Perú pageant after this year's edition was postponed to late October. Howard was the 1st runner-up at the Miss Perú 2016 pageant and later competed at Miss Grand International 2016 where she made it to the Top 20.[83]
^POLAND — Katarzyna Włodarek was appointed Miss Universe Poland 2017 by Jagoda Piatek-Wlodarcyzk, the national director of Miss Polonia pageant after this year's edition was postponed to be held in late November after the Miss Universe pageant. Włodarek was the 2nd runner-up at Miss Polonia 2016 pageant.[citation needed]
^SRI LANKA — Christina Peiris was appointed Miss Universe Sri Lanka 2017 after a private casting call organised by Rosita Wickramasinghe, the national director of Miss Universe Sri Lanka pageant.[citation needed]
^URUGUAY — Marisol Acosta was appointed as Miss Universo Uruguay 2017 by Escuela de Modelos y Actitud Agency and TNT Latin America, the franchise holders for Miss Universe in Uruguay after the 2017 edition of the pageant was not held for undisclosed reason . Acosta was a contestant in the Miss Universo Uruguay 2016 pageant.[citation needed]
^VIETNAM — Nguyễn Thị Loan was appointed Miss Universe Vietnam 2017 by Tony Nguyen Quoc Toan, the national director of Miss Universe Vietnam pageant after the 2017 edition of the national pageant conflicted with the date of the Miss Universe pageant. Loan was 3rd runner-up at the Miss Universe Vietnam 2015 pageant and has previously represented Vietnam at Miss World 2014 reaching the Top 25 and Miss Grand International 2016 where she placed among the Top 20.[citation needed]
Replacements
^BELGIUM — Liesbeth Claus was appointed Miss Universe Belgium 2017 by Darline Devos, the national director of Miss Belgium pageant, as a replacement to Romanie Schotte, Miss Belgium 2017 after Schotte chose to compete at Miss World 2017 due to conflicting schedules of the two pageants. Claus was crowned the 3rd runner-up at the Miss Belgium 2017 pageant. The winner of Miss Belgium pageant usually competes at both Miss World and Miss Universe pageants.[citation needed]
^BULGARIA — Mira Simeonova, Miss Universe Bulgaria 2017 was replaced by Nikoleta Todorova by Veneta Krasteva, the license holder for Miss Universe in Bulgaria after Simeonova did not meet the minimum age requirements for Miss Universe pageant. Todorova was a finalist at the Miss World and Miss Universe Bulgaria 2017 pageants.[citation needed]
^IRAQ — Sarah Idan was selected as Miss Universe Iraq 2017 in a casting call that was organised by Miss Iraq Organization after it was discovered that the original winner of Miss Iraq, Vian Sulaimani, was married. Idan was also previously crowned Miss Iraq USA 2016. [56]
^RUSSIA — Ksenia Alexandrova was appointed Miss Universe Russia 2017 by the Miss Russia Organization as a replacement for Polina Popova, the winner of the Miss Russia 2017 pageant, who would compete only at Miss World 2017 due to the conflicting dates of the Miss Universe and Miss World pageants. The winner of the Miss Russia pageant usually participates at both Miss Universe and Miss World pageants. Alexandrova represented Moscow at Miss Russia 2017 and was the 1st runner-up at the pageant.[90]
^TURKEY — Asli Sümen, Miss Turkey Universe 2017, was replaced by Pinar Tartan, Miss Turkey Supranational 2017 by Can Sandikcioglu, the national director of Miss Turkey pageant, after Itir Esen, Miss Turkey World 2017, was dethroned hours after her crowning because of a tweet about the attempted Turkish coup d'état of 2016. Sümen was sent to the Miss World 2017 pageant, while Tartan was sent to Miss Universe.[104]
Sierra Leone – Miss Universe Sierra Leone Adama Kargbo was unable to obtain a visa for travel to the United States in time for the competition, and thus was forced to withdraw.[112]
^The height given in the table for Bolivia's Gleisy Noguer is per the data on the Miss Universe website. However, Urgente (Bolivia) reports her height as 175 cm (5 ft 9 in).[113]
^"Archived copy". Archived from the original on 2016-11-08. Retrieved 2017-05-11. {{cite web}}: Unknown parameter |deadurl= ignored (|url-status= suggested) (help)CS1 maint: archived copy as title (link)
South Africa
Panama
Japan
Belize, 
Denmark, 
Hungary, 
Kenya, 
Kosovo, 
Switzerland - No national pageant was held.
Sierra Leone – Miss Universe Sierra Leone Adama Kargbo was unable to obtain a visa for travel to the United States in time for the competition, and thus was forced to withdraw.[112]
