According to Official Guinness Records,
The largest collection of cuff links consists of 1,175 unique pairs and belongs to Joseph JaQuay (USA). The collection was verified in Chicago, Illinois, USA, on 27 September 2014. Joseph started his collection in 1990. He wears a different pair of cuff links every day and does not repeat until he has cycled through his entire collection.
For a complete list of 2014 records, please visit 2014 Guinness Records in United States.