Beyond your immediate party, numerous other characters offer Social Links, each providing unique stories and Persona fusion bonuses. While they don't directly impact combat abilities, maxing them is essential for completing the Compendium and experiencing all the game has to offer. Pay attention to their availability and required Social Stats.

- Dojima (Hierophant): Unlocks after a certain point in the story. Requires Understanding.
- Nanako (Justice): Unlocks after a certain point in the story. Requires Expression.
- Adachi (Jester/Hunger): Automatically progresses with story events.
- Marie (Aeon): Exclusive to Persona 4 Golden. Crucial for the Golden Ending.
- Nurse Sayoko (Devil): Available at the hospital. Requires Diligence.
- Ai Ebihara (Moon): Available at school. Requires Courage.
- Yumi Ozawa/Ayane Matsunaga (Sun): Drama or Music Club. Requires Expression.
- Eri Minami (Temperance): Daycare part-time job. Requires Understanding.
- Hisano Kuroda (Death): Hospital part-time job. Requires Diligence.
- Shu Nakajima (Tower): Tutoring part-time job. Requires Knowledge.
- Naoki Konishi (Hanged Man): Available at school. Requires Understanding.
- Ichiko Ohya (Devil): Available at the hospital. Requires Diligence.
- Margaret (Empress): Velvet Room attendant. Requires specific Persona fusions.