This review examines the transformative influence of nanomaterials on the rheological characteristics of cement paste, unraveling their profound impact on the construction industry’s technological landscape. Nanoparticles, such as silica fume, carbon nanotubes, and graphene oxide, are explored for their unique ability to modulate the rheological behavior of cementitious materials, ushering in a new era of advancements in construction practices. Nanomaterials play a crucial role in tailoring the flow and viscosity of cement paste, offering unprecedented control over workability, and setting time. Silica nanoparticles, for instance, contribute to improved dispersion, resulting in enhanced fluidity without compromising the material’s overall structural integrity. Similarly, the addition of carbon nanotubes and graphene oxide influences the paste’s rheological properties, imparting stability and preventing segregation during transport and placement. The implications of these rheological enhancements extend to the construction industry’s efficiency and productivity. The improved workability facilitated by nanomaterials allows for more intricate and streamlined construction processes, reducing the need for excessive water content, and optimizing the overall material utilization. Additionally, the controlled rheology paves the way for innovations in formwork design and facilitates the construction of complex structures with greater precision. In conclusion, the integration of nanomaterials into cement paste presents a paradigm shift in the rheological control of construction materials. This review highlights the potential of nanotechnology to revolutionize the construction industry by offering a nuanced understanding of how nanomaterials influence the rheological characteristics of cement paste, ultimately fostering advancements in construction practices, efficiency, and the realization of complex and sustainable structures.