Denk may refer to:
People Jeremy Denk (born 1970), American classical pianist Michael K. Denk, Canadian professor of chemistry Paula Denk (1908–1978), German actress Ralph Denk (born 1973), German cyclist and cycling manager Ulrike Denk (born 1964), German Olympic athlete Winfried Denk (born 1957), German physicist
Other Denk (band), an Austrian rock band Denk (political party), a Dutch political party
See also Denker, a name Denke, a name Dengg, a name