Benji, season one
Joe's first on-camera victim, played by Lou Taylor Pucci, got to see our favorite killer's rage up close and personal. It's just too bad he wasn't able to survive his peanut allergy.
Peach, season one
Beck's best friend, played by Shay Mitchell, was You's first major character death. While she managed to live through a beating at Joe's hands, she did not survive their tussle for a gun.
Ron, season one
Daniel Cosgrove played the abusive parole officer boyfriend of Joe's neighbor Claudia. However, Joe did not let him live once he turned his abuse towards Claudia's son, Paco.
Elijah, season one
Joe's first love Candace (Ambyr Childers) cheated on him with Elijah before the events of season one. We eventually saw Joe push the record executive, played by Esteban Benito, off a roof.
Beck, season one
The season one protagonist—played by Elizabeth Lail—captured our hearts, but she unfortunately did not survive being captured by Joe and was strangled in the finale.
Jasper, season two
Steven W. Bailey played season two's first victim. Joe cut Jasper into pieces over a measly $53,000.
Henderson, season two
The Hollywood creep, played by Chris D'Elia, was Joe's lone other victim in season two. All the rest were killed off by new love interest, Love (Victoria Pedretti).
Ryan, season three
The nosy journalist survived his initial fall at Joe's hands. However, the single dad, played by Scott Michael Foster, wasn't able to endure those stab wounds.
Love, season three
Joe's fan-favorite love interest, played by Victoria Pedretti, did her best to outsmart You's big bad in the season three finale. However, those plans went up in flames.