There are many online logo makers that you can use to create a professional logo. Some popular options include:

Canva: Canva is a user-friendly graphic design tool that allows you to create professional-looking logos using pre-designed templates and elements.

Adobe Spark: Adobe Spark is a suite of design tools that includes a logo maker. You can use it to create a custom logo using pre-designed templates or start from scratch using your own design ideas.

Logopit: Logopit is an online logo maker that offers a wide range of design tools and templates. You can use it to create a professional logo quickly and easily.

Looka: Looka is an AI-powered logo maker that allows you to create a custom logo in minutes. Simply enter your company name and industry, and Looka will generate a range of logo options for you to choose from.

It's important to keep in mind that while online logo makers can be a convenient and cost-effective way to create a logo, they may not offer the same level of customization and design options as working with a professional graphic designer.