Ok, so while I really like dystopian/post apocalyptic books, I'm NOT a fan of multiple character stories so take these with a grain of salt
Pure (Pure 1) by Julianna Baggott
Biting the Sun by Tanith Lee
Evenfall (In the Company of Shadows #1) by Santino Hassell & Ais (Note about this one, it's unpublished so free online, incredibly long and incredibly dark but also really good.)
Under the Never Sky (Under the Never Sky #1) by Veronica Rossi
Then, these are reccomendations from my dad who's read every post apocalyptic book out there
Under a Graveyard Sky (Black Tide Rising #1) by John Ringo
Dies the Fire (Emberverse #1) by S.M. Stirling
Feed (Newsflesh #1) by Mira Grant
Fantasy/SciFi
Storm Front (The Dresden Files #1) by Jim Butcher
On Basilisk Station (Honor Harrington #1) by David Weber
Hounded (The Iron Druid Chronicles #1) by Kevin Hearne
Quarter Share (Golden Age of the Solar Clipper #1)
ETA: Best Dystopian and Post-Apocalyptic Fiction list on Goodreads
Pure (Pure 1) by Julianna Baggott
Biting the Sun by Tanith Lee
Evenfall (In the Company of Shadows #1) by Santino Hassell & Ais (Note about this one, it's unpublished so free online, incredibly long and incredibly dark but also really good.)
Under the Never Sky (Under the Never Sky #1) by Veronica Rossi
Then, these are reccomendations from my dad who's read every post apocalyptic book out there
Under a Graveyard Sky (Black Tide Rising #1) by John Ringo
Dies the Fire (Emberverse #1) by S.M. Stirling
Feed (Newsflesh #1) by Mira Grant
Fantasy/SciFi
Storm Front (The Dresden Files #1) by Jim Butcher
On Basilisk Station (Honor Harrington #1) by David Weber
Hounded (The Iron Druid Chronicles #1) by Kevin Hearne
Quarter Share (Golden Age of the Solar Clipper #1)
ETA: Best Dystopian and Post-Apocalyptic Fiction list on Goodreads