Baltz is a surname. Notable people with the surname include:
Kirk Baltz (born 1959), American actor Lewis Baltz (1945–2014), American photographer Mark Baltz (born 1948), American football official Mary C. Baltz (1923–2011), American soil scientist Meade Baltz (1912–1994), American businessman and politician Stephen Baltz (1949–1960), American air crash fatality Tim Baltz (born 1981), American comedian William N. Baltz (1860–1943), American politician