Paulo César Baier (born 25 October 1974) is a Brazilian football manager and former player who played as an attacking midfielder.

Mainly associated to Criciúma, Goiás and Atlético Paranaense, he scored totals of 106 goals since the establishment of the round-robin format of the Série A, being the second-best in the tournament's history.

In 1991, after representing hometown amateur sides Esporte Clube Flamengo Vila Santo Antônio and Sociedade Recreativa Esportiva Chorão, he went on a trial at São Luiz.

He made his debut for the club on 5 July, starting in a 1–1 away draw against América-RN, and scored his first goal on 12 October, netting the last in a 2–0 home defeat of Bahia.

Sparingly used, he subsequently represented Botafogo, Vasco da Gama, América Mineiro[3] and Pelotas before returning to Criciúma in 2002.

[13] He announced his retirement on 7 June 2016, at the age of 41, and finished his 21-year career as the second-best goalscorer of the Série A in the round-robin format, with 106 goals.

[16] On 1 August 2018, Baier was named manager of Criciúma's neighbouring side Próspera,[17] and won the third division of the Campeonato Catarinense in his first season in charge.