| Description | Person |
| Hispanic that lives in South Bohan, 'cleaning up the streets,' many consider him an annoying joke | |
| Part of McReary Crime Family, gives car bombs to Niko, youngest brother of the McRearys | |
| One of the McReary siblings, dates Niko her brother encourages him to, may get killed in last mission | |
| Cab Service Operator, Serbian, heavily in gambling debt | |
| Puerto Rican, Roman's Girlfriend, had affair with Vlad | |
| Protagonist, Serbian, Fought in Yugoslav Wars | |
| Russian Mobster, owns Comrades Bar on Mohawk in Hove Beach, overuses 'yokel' and 'serf' | |
| Another possible girlfriend for Niko, Hispanic, nickname on love-meet.net is SoBoHoe | |
| Another possible girlfriend for Niko, a lawyer, nickname on love-meet.net is LawChick | |
| Dying leader of the Gambetti Crime Family, gain enormous fame and power in the city, in currently living in the Schottler Medical Center | |
| Russian Syndicate Co-leader, later in the game becomes Niko's arch enemy, Faustin's associate | |
| Arms/Drugs Dealer, Jamaican, Roman and him are good friends | |
| | Description | Person |
| Niko's first girlfriend, easily impressed, has a silver Merit that she has no problem with Niko after the first date to the carnival | |
| Associate of Elizabeta, friends with Dwayne, lives on X in Northern Algonquin in a penthouse | |
| Leader of the Pegorino Family Mafia, based in Alderney, enemies with the Pavano Family Crime Syndicate | |
| Hispanic drug dealer from Bohan, short temper, killes Manny | |
| Old-School Gangster, been in prison for a 90's crack deal, needs Niko's help to rebuild his reputation | |
| Russian Syndicate Leader, lives in a mansion in Beachgate, heavy cocaine user | |
| Was in Niko's old Army Unit, came to Liberty City to find him, player has the choice to kill him or leave him alive at Francis International Airport in Dukes | |
| Bernie's gay lover, Deputy Mayor, conservative | |
| Major 'Motor-head', Steroid Junkie, offers Niko various races | |
| Another possible girlfriend for Niko, a rich snob, can be met on craplist.net | |
| Italian restaurant owner, referred to as a 'guinea', part of the Pegorino Family Mafia | |
| Old friend of Niko and Roman's, openly gay in a relationship with the Deputy Mayor, owns a pink Infernus which is given to Niko | |
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