Sacrosanct
Legend
Just threw together a homebrew list of weapons that would fall under the monk proficiency depending on the subclass you chose, to add an east Asian flavor.
Way of Fist (all weapons have finesse property)
(Name, Cost, Damage, Weight, Properties)
Kama, 2 gp, 1d6 piercing, 2 lb, light
Nunchaku, 3 gp, 1d6 bludgeoning, 2 lb, light, by using two-handed, PC gains a bonus action to attack
Sai, 5gp, 1d4 piercing, 1 lb, +1 AC vs weapon attacks, light
Jo, 2 gp, 1d4 bludgeoning, 2 lb, versatile (1d6)
Tonfa, 2 gp, 1d4 bludgeoning, 2 lb, light
Kau-sin-ke, 5 gp, 1d6 bludgeoning, 5 lb
Three section staff, 5 gp, 1d8 bludgeoning, 4 lb, two-handed
Sang-kauw, 10 gp, 1d8 piercing, 4 lb, two-handed, bonus action: extra attack
Lajatang, 10gp, 1d8 piercing or slashing, 4 lb, two-handed, bonus action: extra attack
Way of Shadow (all weapons have finesse property)
Kumade, 2 gp, 1d4 piercing, 2 lb, light
Nekode, 5 gp, 1d4 piercing, 1 lb, light, prof in climbing (or double prof if already prof)
Tessen (war fan), 2 gp, 1d4 bludgeoning, 1 lb, light
Ninja-to, 10 gp, 1d6 slashing, 2 lb, light, versatile (1d8)
Kawanaga, 5 gp, 1d4 piercing, 1 lb, two-handed, +2 grapple
Kusari-gama, 8 gp, 1d6 piercing or bludgeoning, 4 lb, light, two-handed, bonus action: extra attack
Kyoketsu-shoge, 5 gp, 1d4 piercing, 3 lb, two-handed, prof in climbing (or double prof if already prof)
Shikomi-zue, 5 gp, 1d6 piercing or bludgeoning, 3 lb, thrown (range 20/60), versatile (1d8)
Shuriken, 1 gp, 1d4 piercing, 1 lb, light, thrown (range 20/60)
Way of Fist (all weapons have finesse property)
(Name, Cost, Damage, Weight, Properties)
Kama, 2 gp, 1d6 piercing, 2 lb, light
Nunchaku, 3 gp, 1d6 bludgeoning, 2 lb, light, by using two-handed, PC gains a bonus action to attack
Sai, 5gp, 1d4 piercing, 1 lb, +1 AC vs weapon attacks, light
Jo, 2 gp, 1d4 bludgeoning, 2 lb, versatile (1d6)
Tonfa, 2 gp, 1d4 bludgeoning, 2 lb, light
Kau-sin-ke, 5 gp, 1d6 bludgeoning, 5 lb
Three section staff, 5 gp, 1d8 bludgeoning, 4 lb, two-handed
Sang-kauw, 10 gp, 1d8 piercing, 4 lb, two-handed, bonus action: extra attack
Lajatang, 10gp, 1d8 piercing or slashing, 4 lb, two-handed, bonus action: extra attack
Way of Shadow (all weapons have finesse property)
Kumade, 2 gp, 1d4 piercing, 2 lb, light
Nekode, 5 gp, 1d4 piercing, 1 lb, light, prof in climbing (or double prof if already prof)
Tessen (war fan), 2 gp, 1d4 bludgeoning, 1 lb, light
Ninja-to, 10 gp, 1d6 slashing, 2 lb, light, versatile (1d8)
Kawanaga, 5 gp, 1d4 piercing, 1 lb, two-handed, +2 grapple
Kusari-gama, 8 gp, 1d6 piercing or bludgeoning, 4 lb, light, two-handed, bonus action: extra attack
Kyoketsu-shoge, 5 gp, 1d4 piercing, 3 lb, two-handed, prof in climbing (or double prof if already prof)
Shikomi-zue, 5 gp, 1d6 piercing or bludgeoning, 3 lb, thrown (range 20/60), versatile (1d8)
Shuriken, 1 gp, 1d4 piercing, 1 lb, light, thrown (range 20/60)