Barry Noel Cotter (born 4 December 1998) is an Irish professional footballer who plays as a right back for EFL League One club Barnsley.

[4] On 31 January 2018, Cotter signed a three-and-a-half-year deal with English Championship club Ipswich Town for an undisclosed fee.

[5] Although a member of Ipswich's under-23 squad, Cotter made his first team debut on 10 April 2018, in a 1–0 win over Barnsley at Portman Road.

[8] On 26 September 2019, Cotter signed for National League South club Chelmsford City on a one-month loan deal.

[13] He made his debut for the club a day later in a 1–1 draw with Slovenian side NŠ Mura in the UEFA Europa Conference League.