| SHOW | DATE | JUDGE |
| Southern Cairn Terrier Club | Sat. 25 February 2012 | Mrs A Smee |
| Midland Cairn Terrier Club Limited Show + AGM | Sat. 3 March 2012 | Mrs J Burr |
| CRUFTS | Sun. 11 March 2012 | Mrs L Firth |
| Scottish Breeds | Sat. 31 March 2012 | Mrs B Shannon |
| Cairn Terrier Association Open Show + AGM | Sun. 15 April 2012 | Mr M King |
| Cairn Terrier Club | Sat. 21 April 2012 | Mrs S Berrecloth |
| National Terrier | Sat. 7 April 2012 | Mr A Felters |
| Southern Cairn Terrier Club Open Show + AGM | Sat. 5 May 2012 | Mr R Goud |
| Birmingham Dog Show | Sun. 13 May 2012 | Ms D Inett |
| SKC | Sat. 19 May 2012 | Mr K Sparrowhawk |
| Bath Canine Society | Fri. 25 May 2012 | Miss J Smith |
| Southern Counties Canine Association | Fri. 1 June 2012 | Mrs A Waugh |
| Three Counties Agricultural Society | Sun. 10 June 2012 | Mr A Osborn |
| Border Union | Sun. 17 June 2012 | Mrs C Roberts |
| Cairn Terrier Association Limit Show | Sat. 7 July 2012 | Mrs P Clarke |
| Leeds & District Canine Society | Wed. 25 July 2012 | Mr J Bunting |
| Midland Cairn Terrier Club Open Show | Sat. 4 August 2012 | Mr A Small |
| Paignton & District Fanciers Association | Tue. 7 August 2012 | Mrs C Confue |
| Bournemouth Canine Association | Mon. 13 August 2012 | Mr W Cammish |
| Welsh Kennel Association | Sat. 18 August 2012 | Mr A Wight |
| SKC | Sat. 25 August 2012 | Mr J Luscott |
| City of Birmingham | Sat. 1 September 2012 | Mr G Peers |
| Richmond Dog Show Society | Sat. 8 September 2012 | Mrs S Kinton |
| Darlington Dog Show Society | Fri. 14 September 2012 | Mr M Phillips |
| Driffield Agricultural Society | Sat. 22 September 2012 | Mr P Bakewell |
| Southern Cairn Terrier Club Open Show | Sat. 22 September 2012 | Ms L Peers |
| Belfast Dog Show Society | Sat. 29 September 2012 | TBA |
| North of Ireland CTC | Sun. 30 September 2012 | Mrs F Somerfield |
| South Wales & West of England CTC | Sat. 20 October 2012 | Mrs J Oldale |
| Midland Counties Canine Society | Thu. 25 October 2012 | Mrs J Curtis |
| Cairn Terrier Association | Sat. 17 November 2012 | Mr D Winsley |
| Midland Cairn Terrier Club | Sat. 1 December 2012 | Mrs S Braybrook |
| Ladies Kennel Association | Sun. 16 December 2012 | Mrs M Shopland |