Fiber optic networks play a crucial role in supporting the smart city industry, owing to their ability to deliver high-speed internet, high reliability, high security, low latency, and more.This article is going to discuss fiber optic networks for smart city applications. What is a Smart City and How Can We Benefit From It? A smart city is a city that uses information and communications technologies (ICT) like 5G, artificial intelligence (AI), the internet of things (IoT), cloud computing, big data analytics, and fiber optics. With a focus on urban planning, construction, operations, services, and improving the quality of life of the people. Smart cities bring a lot of benefits such as life quality, enhanced citizens, improved infrastructure, reduced environmental footprint, managing traffic and congestion, optimized waste removal, improved water, and energy management, increased security, increased digital equity, economic development, enhancement innovation, digital transformation