Rudolf John Frederick Lehmann was an English publisher, poet and man of letters. He founded the periodicals New Writing and The London Magazine, and the publishing house of John Lehmann Limited.

The London Magazine is the title of six different publications that have appeared in succession since 1732. All six have focused on the arts, literature and poetry. A number of Nobel Laureates, including Annie Ernaux, Albert Camus, and Nadine Gordimer have been published in its pages. It is England's oldest literary journal.