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| Tartan Name | Titanic | | | | Category | Commemorative
| | | | Designer | Not Specified | STA Ref | 6643 | | Date Recorded | Not Specified | STWR Ref | none |
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| Tartan Name | Titanium | | | | Category | Fashion
| Reference | 10818 | | Designer | Sim, Steven Patrick | | | | Date Recorded | 25/04/2013 | | |
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| Tartan Name | TNP | | | | Category | Corporate
| Reference | 13893 | | Designer | Elliot, Robin | | | | Date Recorded | 23/05/2023 | | |
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| Tartan Name | Todd | | | | Category | Clan/Family | | | | Designer | 'Smith Jnr, Dr Philip D | STA Ref | 5107 | | Date Recorded | Not Specified | STWR Ref | none |
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| Tartan Name | Toga Heritage | | | | Category | Corporate
| Reference | 11945 | | Designer | DePasquale, Deborah | | | | Date Recorded | 18/10/2017 | | |
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| Tartan Name | Tokai Sagami | | | | Category | Corporate
| Reference | 13195 | | Designer | Takimoto Co Ltd | | | | Date Recorded | 11/06/2021 | | |
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| Tartan Name | Tokharion | | | | Category | Fashion
| | | | Designer | Hek, Ronnie | STA Ref | 2648 | | Date Recorded | Not Specified | STWR Ref | 2648 |
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| Tartan Name | Tokyo Bluebells (Dance) | | | | Category | Fashion
| | | | Designer | Fraser, Donald & Fiona | STA Ref | 2538 | | Date Recorded | Not Specified | STWR Ref | 2538 |
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| Tartan Name | Tokyogakkan High School | | | | Category | Corporate
| Reference | 12502 | | Designer | DC Dalgliesh Ltd | | | | Date Recorded | 21/05/2019 | | |
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| Tartan Name | Tolmie | | | | Category | Name
| Reference | 11581 | | Designer | Tolmie, Wilma S | | | | Date Recorded | 13/07/2016 | | |
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| Tartan Name | Tom Morris (Official) | | | | Category | Corporate
| Reference | 10802 | | Designer | Kinloch Anderson | | | | Date Recorded | 26/03/2013 | | |
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| Tartan Name | Tomass | | | | Category | Clan/Family | | | | Designer | Lochcarron of Scotland | STA Ref | 5106 | | Date Recorded | Not Specified | STWR Ref | none |
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| Tartan Name | Tomates Farcies | | | | Category | Fashion
| Reference | 15078 | | Designer | Wakui, Mayumi | | | | Date Recorded | 04/11/2025 | | |
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| Tartan Name | Tomatin Distillery | | | | Category | Corporate
| Reference | 11480 | | Designer | Prickly Thistle Scotland Ltd | | | | Date Recorded | 11/03/2016 | | |
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| Tartan Name | Tombow 21st School Memorial | | | | Category | Corporate
| | | | Designer | Lochcarron of Scotland | STA Ref | 4216 | | Date Recorded | Not Specified | STWR Ref | none |
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