| Ibaklawa Cafe | Sweets and dessert buffet | 401 Edgware Rd | Fri–Sat 09:00–23:00 |
| Il Bistrotto - London | Italian restaurant | 6 Hollywood Rd | Tue–Fri 18:00–00:00 |
| Imperial China | Cantonese restaurant | 25a White Bear Yard, Lisle St | Mon–Thu 12:00–22:30 |
| indiebeer | Beer store | 322 Holloway Rd | Mon 16:00–20:00 |
| INIS | Irish restaurant | 13 Rookwood Way | Wed 08:00–11:30, 12:00–15:00 |
| Institute of Advanced Legal Studies | Law school | Charles Clore House, 17 Russell Sq | Mon–Fri 09:00–23:00 |
| Institute of Contemporary Arts | Arts organisation | The Mall | Tue–Sun 12:00–23:00 |
| Interludee | Events venue | 195 Rushey Grn | Fri 17:00–03:00 |
| Italian Bear Chocolate - Fitzrovia | Chocolate artisan | 29 Rathbone Pl | Mon–Sat 09:00–23:00 |
| Itto Finsbury Park | Asian fusion restaurant | 61 Stroud Green Rd | Mon 12:00–16:00, 17:30–23:00 |
| Itto Stoke Newington | Asian fusion restaurant | 226 Stoke Newington High St | Mon–Fri 12:00–16:00, 17:30–22:45 |
| Jak’s Mayfair | Breakfast restaurant | 43 S Molton St | Mon–Wed 08:00–01:00 |
| Jazzbourne | Arts organisation | 443 New Cross Rd | Mon–Wed 18:30–23:00 |
| JK Banquets Hall | Banquet hall | 15A Perry Vale | Mon–Fri 08:00–22:00 |
| Junsei | Izakaya restaurant | 132 Seymour Pl | Wed–Thu 17:00–23:00 |
| Kaiseki and Izakaya-YoKOYA | Kaiseki restaurant | 9A Delancey St | Mon–Thu 12:00–14:00, 18:00–23:30 |
| Kanpai Classic Soho | Japanese steakhouse | 147-149 Wardour St | Mon 12:00–15:00, 17:30–23:00 |
| Karachi Cuisine | Pakistani restaurant | 1113-1115 London Rd | Mon–Fri 12:00–00:00 |
| Karaoke Box Mayfair | Karaoke bar | Basement Level, 14 Maddox St | Mon 15:00–22:30 |
| Karaoke Box Soho | Karaoke bar | 18 Frith St | Mon 12:00–00:00 |
| Kave | Dance restaurant | 71 Great Titchfield St. | Fri–Sat 18:00–01:00 |
| Kensington International Clinic | Specialised clinic | 2 North Terrace | Mon–Thu 08:00–20:00 |
| KiliG | Fusion restaurant | 2 Resolution Way | Wed–Thu 18:00–22:00 |
| Kintan Japanese BBQ | Yakiniku restaurant | 21 Great Castle St | Mon–Thu 11:30–22:00 |
| Kipferl Restaurant & Patisserie | Austrian restaurant | 20 Camden Passage | Mon–Thu 10:00–22:00 |
| Kitchen Table | European restaurant | 70 Charlotte St. | Tue–Thu 18:30–23:30 |
| Koma London Restaurant | Latin American restaurant | 326 Walworth Rd | Mon 12:00–21:00 |
| Kona Kai | Cocktail bar | 515 Fulham Rd. | Wed 17:00–00:00 |
| Ku Bar | Gay bar | 30 Lisle St | Mon–Fri 13:00–03:00 |
| La Brasa Grill Steakhouse Elephant and Castle | Latin American restaurant | 235 Walworth Rd | Mon–Thu 17:00–22:00 |