The 2010–11 Ulster Rugby season was Ulster's 17th season since the advent of professionalism in rugby union, and their second under head coach Brian McLaughlin.

This season marked the debuts of two South Africans, scrum-half Ruan Pienaar (replacing Isaac Boss, who had moved to Leinster) and second row forward Johann Muller.

Ulster were quarter-finalists in the European Rugby Champions Cup, and semi-finalists in the Celtic League.

Ruan Pienaar was Player of the Year.

Nevin Spence was IRUPA Young Player of the Year.

[1] Forwards coach Jeremy Davidson left at the end of the season.

Props Hookers Locks Back row Scrum-halves Fly-halves Centres Wings Fullbacks

Props Hookers Locks Back row Scrum-halves Fly-halves Centres Wings Fullbacks 1.

Nigel Brady (for Wallace 74'), 17.

Paddy McAllister (for Young 62'), 18.

Alan Whitten (for Court 70') 19.

Bryan Young, 18/ Declan Fitzpatrick (for Botha 69') 19.

Bryan Young (for Court 57'), 18.

Paul Marshall (for Pienaar 66'), 22.

David McIlwaine (for Trimble 64').

Tom Court (for Young 40'), 18.

BJ Botha (for Young 52'), 19.

BJ Botha (for Young 40'), 19.

Ian Porter, Niall O'Connor (for Whitten 66'), 23.

Andrew Trimble (for Spence 47').

Bryan Young (for Court 71'), 18.

Paul Marshall (for Pienaar 40'), 22.

David McIlwaine (for Trimble 59').

Jerry Cronin (for Young 59'), 18.

Paul Marshall (for Humphreys 32'), 22.

Paul Marshall (for Humphreys 74'), 22.

Jonny Shiels (for L. Marshall 44').

Replacements: Nigel Brady (for Kyriacou 62'), Paul Karrayanis (for Young 76'), Adam Macklin (for Fitzpatrick 55'), Tim Barker (for Muller 55'), Neil McComb (for Wannenburg 70'), Michael Heaney (for Porter 71'), Ian Humphreys (for O'Connor 63'), Luke Marshall (for Whitten 48'), Jonny Shiels (for Cave 63'), Mark McCrea (for Spence 70').

Replacements: Nigel Brady (for Best 40'), Paul Karrayanis, Adam Macklin (for Fitzpatrick 69'), Ryan Caldwell (for Muller 62'), T. J. Anderson (for Wannenburg 66'), Robbie Diack (for Ferris 40'), Michael Heaney (for Porter 77'), Ian Humphreys (for O'Connor 62'), Jonny Shiels (for Gilroy 40'), David McIlwaine (for Cave 72').

The Ulster Rugby Awards ceremony was held on 10 May 2011 at the Culloden Hotel, Holywood.