List of Famous people who are 31

Sergei Sergeyevich Plotnikov is a Russian professional ice hockey forward who currently plays for Metallurg Magnitogorsk of the Kontinental Hockey League (KHL). Plotnikov previously played in the KHL with Amur Khabarovsk, Lokomotiv Yaroslavl and SKA Saint Petersburg. He has played briefly in the National Hockey League with the Pittsburgh Penguins and the Arizona Coyotes.

Kennys Vargas Gautier, nicknamed "Gorilla", is a Puerto Rican professional baseball designated hitter and first baseman for the Saraperos de Saltillo of the Mexican League. He previously played in Major League Baseball (MLB) for the Minnesota Twins and for the Chiba Lotte Marines of Nippon Professional Baseball (NPB).

Douglas Silva Bacelar, simply known as Douglas, is a Brazilian professional footballer who plays as a central defender.

Huang Mengying, also known as Maggie Huang, is a Chinese actress who graduated from the Beijing Film Academy. She rose to fame for her role as Sujin in Eternal Love (2017), and gained increased recognition for her supporting roles in Princess Agents and Lost Love in Times.

Sara Björk Gunnarsdóttir is an Icelandic footballer who plays for Olympique Lyonnais of the French Division 1 Féminine. She previously played for Swedish Damallsvenskan club FC Rosengård and VfL Wolfsburg. Sara Björk has been part of Iceland's national team since 2007 and represented her country at the 2009, 2013 and 2017 editions of the UEFA Women's Championship. She is the only woman to have been named the Icelandic Sportsperson of the Year twice, in 2018 and 2020. In August 2020, she became the first Icelander to win the UEFA Women's Champions League.

Vladimir Olegovich Nikitin is a Russian professional boxer. He is best known for controversially winning a bronze medal at the 2016 Rio Olympics against Irish boxer Michael Conlan.

Michel Ferreira dos Santos, simply known as Michel, is a Brazilian footballer who plays as a defensive midfielder for Grêmio.

David Savard is a Canadian professional ice hockey defenceman currently playing for the Tampa Bay Lightning of the National Hockey League (NHL). He was drafted by the Columbus Blue Jackets in the fourth round, 94th overall, of the 2009 NHL Entry Draft. Savard won the Stanley Cup with the Lightning in 2021.

César Domboy is a French actor best known for The Walk and his recurring role as Fergus Claudel Fraser in the Starz television drama Outlander.

Léonore Baulac is a French ballet dancer. She is an étoile at the Paris Opera Ballet.