|First appearance||26 June 2000|
|Last appearance||5 July 2000|
|Episodes with Penny Silva|
Penny Silva is a lexicographer who first appeared on Countdown in Series 43. She has made 5 appearances in Dictionary Corner. She was the deputy editor of the Oxford English Dictionary, and appeared on the show to announce the change in dictionaries from the Concise Oxford Dictionary (COD) to the New Oxford Dictionary of English (NODE) in 2000.