Gran Hermano 16 is the sixteenth season of Gran Hermano, the Spanish version of the reality television series franchise Big Brother. The 16th season started airing on September 13, 2015, on Telecinco with Mercedes Milá hosting the main live shows or "Galas". The grand prize this season was €300,000. The main twist of the season was that every contestant had to keep a secret, a game mechanics from the Secret Story franchise. In case a competitor voluntarily revealed their secret, they will lose €100,000 of the final prize. The season was won by 19-year-old Sofía Suescun on Day 102.

Suso was a contestant on Supervivientes: Honduras 2016 where he was the 12th contestant to be voted out, finishing in 4th place.

Niedziela was a contestant on Got Talent España. She became finalist of the contest.

Sofía was a contestant on Supervivientes: Honduras 2018. She was the sole survivor, winning with the 53.8% of the votes. As a result of this, Sofía became the first person to win Gran Hermano and Supervivientes and the first Gran Hermano housemate to win Supervivientes.

Suso was a contestant on Gran Hermano VIP 6. After 99 days in the house, he became the runner-up of the season.

Raquel and Sofía were contestants on Gran Hermano Dúo. Raquel was the 7th evicted from the house after 51 days. Sofía was the 4th evicted after 31 days in the house but on Day 52 she won the repechage and became an official housemate. She was re-evicted and the 11th evicted on Day 80.

Housemates Housemates Age Residence Occupation Secret Entered Exited Status Sofía Suescun 19 Pamplona Psychology student Maite's daughter* Day 1 Day 102 Aritz Castro 25 Santurtzi Craftsman He hasn't got any secret* Day 1 Day 102 Niedziela Raluy 22 Tortosa Circus performer She shares a secret garden Day 1 Day 101 Han Wang 21 Armilla Electrical Engineering student He speaks Spanish* Day 1 Day 96 Marta Peñate 25 Las Palmas Journalism student She knows all secrets* Day 1 Day 89 Carlos Rengel 25 Barcelona Bar owner Ivy's husband* Day 1 Day 89 Daniel Vera 23 Sabadell Kitchen helper He shares a secret garden Day 1 Day 82 Ricky Natalicchio 26 Las Palmas Paddel teacher and student He knows the repechage house Day 40 Day 82 Marina Landaluce 29 Motilla del Palancar Administrative assistant Mother of a reborn baby* Day 1 Day 75 Jesús "Suso" Álvarez 22 Barcelona Shop manager Maite's false son* Day 1 Day 68 Raquel Martín29MoralejaSports physiotherapistShe shares a secret gardenDay 1Day 40Day 26Day 61 Amanda Rodríguez 25 Málaga Marketing student She was a professional athlete* Day 1 Day 54 Carolina Vico 21 Vidreres Model and horse riding teacher She can see ghosts in the dark Day 1 Day 47 Ivy Mauleón 23 Barcelona Business Management student Carlos' wife* Day 1 Day 40 Enrique Ramos 30 Huelva Doctor and oncologist He knows everything about Gran Hermano* Day 1Day 40 Day 33Day 45 Muti Orellana 22 Seville Baker He has access to spy room Day 1Day 40 Day 19Day 43 Maite Galdeano 46 Pamplona Bus driver Sofia's mother and Suso's false mother* Day 1Day 40 Day 12Day 47 Guests Contestant Age Residence Occupation Reality Show Entered Exited Exchanged with... Daniela Clyde "Danielle" 25 Mexico City, Mexico Student Big Brother 4 Mexico Day 61 Day 66 Daniel Vera

(*) Secret exposed by a rival contestant. (Italics) Secret exposed by him / herself. (They would have lost €100,000 of the final prize if they had won)

Amanda Amanda Rodríguez Morales is a 25-year-old student from Málaga. She describes herself as artificial-looking but natural in spirit. When she entered the house on Day One, her secret remained undisclosed to the audience. In the second week, Sabrina Salerno introduced a medal at the house to play the game of immunity. The following week, several Gym Tony actors introduced another medal for the same game. The organization of Gran Hermano revealed that these medals were a clue to discover another secret. On the Internet photos of Amanda as triple jump champion began to appear. She guessed that Mayte and Sofia were mother and daughter in week 2. Her secret was discovered on the third assembly of secrets. She was the seventh evicted on Day 54 in her third nomination. Her eviction was surprisingly for her: the program made Marina and Amanda believe that they were saved from elimination, then the host connected with them during the ceremony and communicated that Amanda was evicted.

Aritz Aritz Castro De las Heras is a 24-year-old from Santurtzi, Biscay. He claims that he does not own a television, he nevers surfs the internet and he has never watched the show before entering the house. His secret is that he is the only contestant without a secret to keep. During the first week, appeared on the Internet several Aritz social networks, as well as his personal blog. He guessed that Marina wasn't mother in week 2. He finished as the runner up on Day 102.

Carlos Carlos Rengel Sobreviela is a 25-year-old bar owner from Barcelona. He entered the house on Day One right after his girlfriend Ivy, who was unaware she would also join the competition, along with their dog Hito. Just upon entering the house, he proposed marriage to Ivy, she accepted, and a marriage promise ceremony was conducted immediately. For the rest of the housemates, he had to pretend he did not know Ivy from before. She guessed that Mayte and Sofia were mother and daughter in week 2. Carlos and Ivy's secret was discovered on the third assembly of secrets. Carlos' prize will be reduced in €100,000 in case he wins as a punishment for hinting his secret. He was the thirteenth housemate to be evicted on Day 89.

Carolina Carolina Vico Bustamante is a 21-year-old girl from Vidreres, Girona. While she aspires to become a professional model, she takes hairdressing and make up courses and she is also a horsewoman. She affirms she has an extrovert personality but she does not forgive easily if she is hurt. When she entered the house on Day One, her secret remained undisclosed to the audience. During the second gala, Mercedes Milà revealed to the contestants that someone inside the House was able to see ghosts. The following week the program revealed that that person was Carolina. On many nights she woke up frightened and ran to sleep with Marta. Ironically, she was the sixth evicted on Day 47 during a Halloween show.

Enrique Enrique Ramos Villarán is a 30-year-old doctor and oncologist from Huelva. A single man, he considers himself romantic, home-loving, honest, distrustful and stubborn. When he entered the house on Day One, his secret remained undisclosed to the audience. In the following weeks, the program revealed that there was a competitor who was considered to be expert in Big Brother. In the last assembly of the secrets, Enrique confessed that he was the expert and that he had watched Big Brother of Spain and of other countries. Many spectators and also many contestants were thinking that he had some type of kinship with Carolina. In the week three, he gained the immunity and he wanted to liberate Han of the nomination instead of to herself, invoking that he wanted to face Suso in nomination. He was the fourth evicted on Day 33. He tried to return to the contest and he lived in the apartment with Mayte, Raquel and Muti until he was eliminated as a third option chosen by the audience.

Han Han Wang is a Chinese-born 21-year-old student living in Armilla, Granada with his family, who runs a bazaar store. He describes himself as sociable, very smiling, fun, passionate and unique. He had to pretend he does not speak any Spanish. His secret was revealed on the first "assembly of secrets". He was the fifteenth housemate to be evicted on Day 96.

Ivy Tania Mauleón Espinosa is a Mexican-born 22-year-old student residing in Barcelona. After the competition, she wants to move to Australia, where her mother lives, together with her boyfriend Carlos and their dog Ito. She was surprised to see Carlos and Hito enter the house right after her on Day One; Carlos proposed marriage to her right then, she accepted, and a marriage promise ceremony was conducted immediately. For the rest of the housemates, she had to pretend he did not know Carlos from before while she had an affair with Vera. Carlos and Ivy's secret was discovered on the third assembly of secrets and Ito had to moved out of the house. She was the fifth evicted on Day 40. She didn't take part on the repesca.

Maite María Teresa (Maite) Galdeano Marañón is a 46-year-old bus driver from Pamplona. She considers herself determined and feisty. Divorced for the last 12 years and a mother of three, she entered the house on Day One along with her daughter Sofía. She had to pretend she did not know Sofía from before. At the same time, she had to pretend Suso is her son; Maite and Suso's secret was revealed on the first "assembly of secrets". Maite and Sofía's secret was revealed on the second assembly of secrets. She was the first evicted on Day 12. She tried to return to the contest and she lived in the apartment with Enrique, Raquel and Muti until she was eliminated as a second option chosen by the audience.

Marina Marina Landaluce Rodríguez is a 28-year-old administrative assistant from Motilla del Palancar, Cuenca. She loves cooking. She apparently entered the house with her 1 month old baby Juan, who would stay in an adjacent camera-less room with a babysitter so that she could visit him when needed. It remained unclear to the audience whether her secret was that the baby is unreal. Marina's secret was revealed on the second "assembly of secrets": Juan is one of the three reborn dolls Marina owns. She was the tenth evicted on Day 75.

Marta Marta Peñate Amador is a 24-year-old journalism student from Las Palmas. She was surprised to learn she would become a housemate while she was covering the press conference to present the season just days before the competition began. Her secret is that she is the only housemate that knows all the secrets beforehand. Marta' prize will be reduced in €100,000 in case she wins as a punishment for hinting her secret. She was the fourteenth housemate to be evicted on Day 89.

Muti Muti Orellana Felipe is a Senegalese origin 22-year-old baker from Seville who works in the family business. His family describes him as a good guy but somehow a bit lazy. He entered the house on Day One as an "invisible" housemate; neither the fellow housemates nor the audience saw his image and did not know where he really was physically. There was a point in the house where he could talk to the rest of the housemates and listen to their conversations. It was later revealed he spent the first days in an adjacent room. On Day 4 he joined the main house physically and was assigned a new secret: he was shown a secret entrance to a place where he can observe his housemates without being seen. He guessed that Mayte and Sofia were mother and daughter in week 2. He was the second evicted on Day 19. He tried to return to the contest and he lived in the apartment with Mayte, Raquel and Enrique until he was eliminated as a fifth option chosen by the audience behind the option that gave the possibility that no one was returning to the contest.

Niedziela