Frischknecht is a surname. Notable people with the surname include:
Andri Frischknecht (born 1994), Swiss cross-country mountain biker Blake Frischknecht (born 1995), American soccer player Hans Frischknecht (1922–2003), Swiss long-distance runner Hans Eugen Frischknecht (born 1939), Swiss composer, organist, choral conductor, and harpsichordist Lee Frischknecht (1928–2004), American broadcast journalist Paulo Frischknecht (born 1961), Portuguese swimmer Thomas Frischknecht (born 1970), Swiss mountain bike and cyclo-cross racer