I do.
Here’s a list of many of my SF&F rereads, in reverse alphabetical order.
Gene Wolfe, The Shadow of the Torturer
T.H. White, The Once and Future King
John Varley, Steel Beach
Mary Shelley, Frankenstein
Frederick Pohl, Man Plus
Alexander Panshin, Rite of Passsage
Andre Norton, ‘Ware Hawk
Pat Murphy, Adventures of Time and Space with Max Merriwell
Vonda McIntyre, The Exile Waiting
Anne McCaffrey, Restoree and Dragonflight
George Martin and Lisa Tuttle, Windhaven
Ursula Le Guin, The Left Hand of Darkness
Sharon Lee and Steve Miller, the Liaden books
Donald Kingsbury, Courtship Rite
Alexander Keys, The Forgotten Door
Barry Hughart, Bridge of Birds
Frank Herbert, Dune
Robert Heinlein, Glory Road and The Moon Is a Harsh Mistress
Lisa Goldstein, Red Magician
Teresa Edgerton, Goblin Moon
Philip Dick, Man in the High Castle and Do Androids Dream of Electric Sheep
Lester Del Rey, The Runaway Robot
John Crowley, Aegypt
Orson Scott Card, Ender’s Game
John Brunner, Stand on Zanzibar
Octavia Butler, Kindred
Lois Bujold, the Miles Vorkosigan books
Marion Zimmer Bradley, The Mists of Avalon
Ray Bradbury, The Martian Chronicles
Steven Barnes, Streetlethal
Catherine Asaro, the Skolian Empire books
Some of them I reread because they are “comfort” books (e.g., the Liaden books and others with strong romances), some I reread because they are classics (e.g., Dick’s books), and some I reread because I teach them (e.g., Murphy, Butler, and Hughart). Others I reread just because I’ve run out of new books and am browsing my shelves, looking for something that I remember enjoying but don’t remember why (e.g., Barnes and Martin/Tuttle).
Some end up disappointing me (e.g., the Heinlein books, which I read when young, never noticing the massive didactic interruptions that bothered me on rereading decades later).
But most of them delight me anew, like good friends met after a long parting.