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| Tartan Name | Ayala | | | | Category | Corporate
| Reference | 15057 | | Designer | Lochcarron of Scotland | | | | Date Recorded | 14/10/2025 | | |
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| Tartan Name | Ayllu Thuban | | | | Category | Corporate
| Reference | 10626 | | Designer | Pasqualotto, Giancarlo | | | | Date Recorded | 23/05/2012 | | |
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| Tartan Name | Aylsham | | | | Category | District
| Reference | 12220 | | Designer | Burden, Mavy | | | | Date Recorded | 22/08/2018 | | |
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| Tartan Name | Ayr 200 | | | | Category | Commemorative
| Reference | 13934 | | Designer | The House of Edgar | | | | Date Recorded | 20/06/2023 | | |
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| Tartan Name | Ayr Rugby Football Club | | | | Category | Corporate
| Reference | 13776 | | Designer | Slanj Kilts & Sharkey, Sarah J | | | | Date Recorded | 31/01/2023 | | |
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| Tartan Name | Ayr United Football Club | | | | Category | Corporate
| Reference | 13524 | | Designer | The House of Edgar & Touchdown Tartans Ltd | | | | Date Recorded | 31/05/2022 | | |
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| Tartan Name | Ayre (Personal) | | | | Category | Name
| | | | Designer | MacDonald, Peter | STA Ref | 6305 | | Date Recorded | Not Specified | STWR Ref | none |
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| Tartan Name | Ayrshire | | | | Category | District
| | | | Designer | Smith Jnr, Dr Philip D | STA Ref | 436 | | Date Recorded | Not Specified | STWR Ref | 436 |
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| Tartan Name | Ayrshire #2 | | | | Category | District
| | | | Designer | McGill, David/International Tartans Ltd | STA Ref | 2562 | | Date Recorded | Not Specified | STWR Ref | 2562 |
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| Tartan Name | Ayrshire Tourist Board | | | | Category | Corporate
| | | | Designer | McGill, David of International Tartans | STA Ref | 2202 | | Date Recorded | Not Specified | STWR Ref | 2202 |
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| Tartan Name | Ayrton | | | | Category | Clan/Family | | | | Designer | Ayrton & Scarlett | STA Ref | none | | Date Recorded | Not Specified | STWR Ref | 1345 |
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| Tartan Name | Ayrton (amended) | | | | Category | Name
| | | | Designer | Not Specified | STA Ref | none | | Date Recorded | Not Specified | STWR Ref | 1584 |
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| Tartan Name | Azabu Tailor | | | | Category | Corporate
| Reference | 10994 | | Designer | Reid & Taylor, Langholm, Scotland | | | | Date Recorded | 20/02/2014 | | |
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| Tartan Name | Aztec, New Mexico | | | | Category | District
| Reference | 11516 | | Designer | Moore, Roger | | | | Date Recorded | 27/04/2016 | | |
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| Tartan Name | BABC | | | | Category | Corporate
| | | | Designer | Kirkbright/Wilson | STA Ref | 6826 | | Date Recorded | Not Specified | STWR Ref | none |
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| Tartan Name | Bacon, Blue | | | | Category | Fashion
| | | | Designer | Artmark | STA Ref | 3626 | | Date Recorded | Not Specified | STWR Ref | none |
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| Tartan Name | Bacon, Green | | | | Category | Fashion
| | | | Designer | Artmark | STA Ref | 3625 | | Date Recorded | Not Specified | STWR Ref | none |
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