Amalgamated Association of Operative Cotton Spinners
| Founded | 1870 | 
|---|---|
| Dissolved | 1970 | 
| Headquarters | 115 Newton Street, Manchester | 
| Location | |
| Members | 50,349 (1907) | 
Key people  | James Mawdsley (General Secretary) | 
| Affiliations | GFTU, TUC, UTFWA | 
The Amalgamated Association of Operative Cotton Spinners and Twiners, also known as the Amalgamation, was a trade union in the United Kingdom which existed between 1870 and 1970. It represented male mule spinners in the cotton industry.