According to Official Guinness Records,
Yingyu Wang (China) has 2,345 different dictionaries, as of 3 August 2010, that he has been collecting since 1970s. Mr Wang has collected various versions of Chinese dictionaries published by more than 100 publishers. All are displayed in his apartment.
For a complete list of 2010 records, please visit 2010 Guinness Records in China.