Thomas S. Wagner & M'Guigan (fl. 1846 - 1858) were Philadelphia based publishers and lithographers active in the mid 19th century. The Wagner & M'Guigan (or McGuigan) firm were general interest lithographers and as such their work consisted of portraits, bookplates, advertisements and views as well as map. The firm was also an early pioneer of color lithography and for this were awarded a Silver Medal by the Franklin Institute in the 1840s. The Wagner & M'Guigan firm succeeded the Pinkerton, Wagner & M'Guigan firm.