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<i>Salmonella</i> is one of the most spread foodborne pathogens worldwide, and <i>Salmonella</i> infections in humans still represent a global health burden. The main source of <i>Salmonella</i> infections in humans is represented by contaminated animal-derived foodstuffs, with pork products being one of the most important players. <i>Salmonella</i> infection in swine is critical not only because it is one of the main causes of economic losses in the pork industry, but also because pigs can be infected by several <i>Salmonella</i> serovars, potentially contaminating the pig meat production chain and thus posing a significant threat to public health globally. As of now, in Europe and in the United States, swine-related <i>Salmonella</i> serovars, e.g., <i>Salmonella</i> Typhimurium and its monophasic variant <i>Salmonella enterica</i> subsp. <i>enterica</i> 1,4,[5],12:i:-, are also frequently associated with human salmonellosis cases. Moreover, multiple outbreaks have been reported in the last few decades which were triggered by the consumption of <i>Salmonella</i>-contaminated pig meat. Throughout the years, changes and evolution across the pork industry may have acted as triggers for new issues and obstacles hindering <i>Salmonella</i> control along the food chain. Gathered evidence reinforces the importance of coordinating control measures and harmonizing monitoring programs for the efficient control of <i>Salmonella</i> in swine. This is necessary in order to manage outbreaks of clinical disease in pigs and also to protect pork consumers by controlling <i>Salmonella</i> subclinical carriage and shedding. This review provides an update on <i>Salmonella</i> infection in pigs, with insights on <i>Salmonella</i> ecology, focusing mainly on <i>Salmonella</i> Choleraesuis, <i>S</i>. Typhimurium, and <i>S</i>. 1,4,[5],12:i:-, and their correlation to human salmonellosis cases. An update on surveillance methods for epidemiological purposes of <i>Salmonella</i> infection in pigs and humans, in a “One Health” approach, will also be reported.