| Penicillin | 🇺🇸United States | 200,000 UNITS/5ML, 400,000 UNITS/5ML | for solution | Not marketed | Teva |
| Penicillin-2 | 🇺🇸United States | 250,000 UNITS/5ML | for solution | Not marketed | Teva |
| Penicillin G Sodium | 🇺🇸United States | 5,000,000 UNITS/VIAL | injectable | Marketed | Watson Labs INC |
| Penicillin G Potassium | 🇺🇸United States | 1,000,000 UNITS/VIAL, 1,000,000 UNITS/VIAL **Federal Register determination that product was not discontinued or withdrawn for safety or effectiveness reasons**, 10,000,000 UNITS/VIAL … | injectable | Marketed | Lilly |
| Penicillin G Sodium | 🇺🇸United States | 1,000,000 UNITS/VIAL, 5,000,000 UNITS/VIAL | injectable | Not marketed | Pharmacia and Upjohn |
| Penicillin G Potassium in Plastic Container | 🇺🇸United States | 20,000 UNITS/ML, 40,000 UNITS/ML, 60,000 UNITS/ML | injectable | Marketed | Baxter Hlthcare |
| Penicillin G Potassium | 🇺🇸United States | 200,000 UNITS/5ML, 250,000 UNITS/5ML, 400,000 UNITS/5ML | for solution | Not marketed | Mylan |
| Penicillin G Potassium | 🇺🇸United States | 200,000 UNITS, 250,000 UNITS, 400,000 UNITS … | tablet | Not marketed | Mylan |
| Penicillin G Sodium Panpharma | 🇷🇸Serbia | 1Mi.j. | prašak za rastvor za injekciju | Authorised | Licentis DOO Beograd (Novi Beograd) |
| Penicillin G Sodium for Injection, USP | 🇨🇦Canada | 1000000 UNIT / VIAL | Powder For Solution | Marketed | Fresenius Kabi Canada LTD |
| Penicillin G Sodium for Injection, USP | 🇨🇦Canada | 10000000 UNIT / VIAL | Powder For Solution | Marketed | Fresenius Kabi Canada LTD |
| Penicillin G Sodium for Injection, USP | 🇨🇦Canada | 5000000 UNIT / VIAL | Powder For Solution | Marketed | Fresenius Kabi Canada LTD |
| Penicillin G Sodium for Injection | 🇨🇦Canada | 1000000 UNIT / VIAL | Powder For Solution | Authorised | Fresenius Kabi Canada LTD |
| Penicillin G Sodium for Injection | 🇨🇦Canada | 5000000 UNIT / VIAL | Powder For Solution | Authorised | Fresenius Kabi Canada LTD |
| Penicillin G Sodium for Injection | 🇨🇦Canada | 10000000 UNIT / VIAL | Powder For Solution | Authorised | Fresenius Kabi Canada LTD |
| Penicillin G Sodium Sandoz 5,000,000 IU/Vial | 🇸🇬Singapore | 5 mil iu/vial | injection, powder, for solution | Authorised | Sandoz Singapore Pte. LTD. |
| Penicilline G Kabi 1 000 000 IE poeder voor oplossing voor injectie/infusie | 🇳🇱Netherlands | | Poeder voor oplossing voor injectie of infusie | Authorised | Fresenius Kabi Nederland B.V. |
| Penicilline G Kabi 2 000 000 IE poeder voor oplossing voor injectie/infusie | 🇳🇱Netherlands | | Poeder voor oplossing voor injectie of infusie | Authorised | Fresenius Kabi Nederland B.V. |
| Penicilline G Kabi 5 000 000 IE poeder voor oplossing voor injectie/infusie | 🇳🇱Netherlands | | Poeder voor oplossing voor injectie of infusie | Authorised | Fresenius Kabi Nederland B.V. |
| Penicilline G Kabi 10 000 000 IE poeder voor oplossing voor injectie/infusie | 🇳🇱Netherlands | | Poeder voor oplossing voor injectie of infusie | Authorised | Fresenius Kabi Nederland B.V. |
| Penicillin-VK | 🇺🇸United States | 125MG BASE/5ML, 250MG BASE/5ML | for solution | Marketed | Teva |
| Penicillin-VK | 🇺🇸United States | 250MG BASE, 500MG BASE | tablet | Marketed | Teva |
| Penicillin G Inj 1 Million IU | 🇸🇦Saudi Arabia | | | Authorised | Sandoz |
| Penicillin-G Sod 500000 IU Vial | 🇸🇦Saudi Arabia | | | Authorised | Sandoz |
| Penicillin V Potassium | 🇺🇸United States | 125MG BASE, 250MG BASE, 500MG BASE | tablet | Marketed | Mylan |
