Polydor, Lana’s label in Uk, published a list of artists that have influenced Lana Del Rey at ShareMyPlaylists.com. You can check the list below.

Nina Simone – The Other Woman
Bob Dylan – It’s Alright Ma
Nirvana – Smells Like Teen Spirit
Skeeter Davis – The End of the World
Elvis Presley – Heartbreak Hotel
The Beach Boys – Fun, Fun, Fun
Nat King Cole – Lush Life
Jeff Buckley – Dream Brother
Joan Baez – Diamonds And Rust

Source.