Conn is a surname and a masculine given name meaning "chief" in Irish. As a given name it is also used as a short form of Connor.

Nicole Conn (born October 29, 1959 in Mesa, Arizona), is a film director, producer, and screenwriter most famous for her debut feature, the lesbian love story, Claire of the Moon (1992).

In 2004, POWER UP! named Conn one of the top ten gay women in show business.

Conn's most recent film project was little man, a documentary about the extremely premature birth of her son, Nicholas. Born 100 days too early, Nicholas weighed only one pound. little man is the story of how a micro-preemie brought a family to its knees. The film is the winner of 12 film festival awards from around the United States of America.

Her most recent venture is Preemie World, a website that provides a nexus between prematurity and disability. Conn used this site to launch NICU Preemie Tags, which are pieces of jewelry inspired by the dog tags soldiers wear into battle. The NICU Preemie Tags are considered by Conn as a way to honor all the children who were once premature babies fighting for their lives in the NICU and all the people who have loved and nurtured those children.

Joseph Louis Barrow (May 13, 1914 – April 12, 1981), better known as Joe Louis, was an American professional boxer and the World Heavyweight Champion from 1937 to 1949. He is considered to be one of the greatest heavyweights of all time. Nicknamed the Brown Bomber, Louis helped elevate boxing from a nadir in popularity in the post-Jack Dempsey era by establishing a reputation as an honest, hardworking fighter at a time when the sport was dominated by gambling interests. Louis' championship reign lasted 140 consecutive months, during which he participated in 27 championship fights, 26 championship fights during his reign; the 27th, against Ezzard Charles, was a challenge to Charles' Heavyweight title and so is not included in Louis' reign. All in all, Joe was victorious in 25 successful title defenses, a record for the heavyweight division. In 2005, Louis was ranked as the #1 heavyweight of all-time by the International Boxing Research Organization, and was ranked #1 on The Ring's list of the 100 Greatest Punchers of All-Time.

William David Conn (October 8, 1917–May 29, 1993), better known as Billy Conn, was an American professional boxer and Light Heavyweight Champion famed for his fights with Joe Louis. He had a professional boxing record of 63 wins, 11 losses and 1 draw, with 14 wins by knockout. His nickname, throughout most of his career, was "The Pittsburgh Kid."

Conn debuted as a professional boxer on June 28, 1934, losing to Dick Woodward (Frank Colwin Woodward, known as Woody later in his life in California) by a decision in four rounds. His first win came almost a month later, on July 20, against Johnny Lewis, via a knockout in round three.

Conn built a record of 47 wins, 9 losses and 1 draw (tie), with 7 knockout wins, before challenging for the World Light Heavyweight title. Along the way, he beat former or future world champions Fritzie Zivic, Solly Krieger and Fred Apostoli, as well as Teddy Yarosz and Young Corbett III.

On July 13, 1939, he met World Light Heavyweight Champion Melio Bettina in New York, outpointing him in 15 rounds and winning the World LightHeavyweight Championship. Conn defended his title against Bettina and twice against another World Light Heavyweight Champion, Gus Lesnevich, each of those three bouts resulting in 15 round decision wins for Conn. Conn also beat former World Middleweight Champion Al McCoy and heavyweights Bob Pastor, Lee Savold, Gunnar Barlund and Buddy Knox in non-title bouts during his run as World Light Heavyweight Champion.

Didi Conn (born Edith Bernstein on July 13, 1951) is an American film, stage and television actress.

Conn was born in Brooklyn, New York, the daughter of a clinical psychologist. "Didi" was her childhood nickname. She attended Midwood High School; her brother is opera singer Richard Bernstein.

She has been married to composer David Shire since 1982, with whom she has a son, Daniel Shire, who has been diagnosed with autism. Conn is also stepmother to Matthew Shire, a Los Angeles screenwriter.

Conn made her debut as an actress in the 1960s. Her notable roles since the 1970s, when she first became prominent, include:

Conn provided the voice for Raggedy Ann in the 1977 animated feature, Raggedy Ann & Andy: A Musical Adventure, directed by Richard Williams. Conn's "childlike" voice is one of her trademarks. She occasionally appeared as a celebrity guest on game shows like Match Game, The $20,000 $25,000 and $100,000 Pyramids, Chain Reaction and Go.

Conn's son Danny is diagnosed with autism. On November 13, 2008, Conn was named national celebrity spokesperson for Autism Speaks. Before that, Conn was a spokesperson for the National Alliance for Autism Research, now part of Autism Speaks. She has performed at benefits for Foundation for Educating Children with Autism (FECA).