Tânia Regina Spindler de Oliveira (born April 10, 1977 in Palotina, Paraná) is a female Brazilian race walker. She set both a personal best and a national record-breaking time of 1:33:23 by finishing twenty-third at the 2008 IAAF World Race Walking Cup in Cheboksary, Russia. She also claimed the nation's first ever title for the women's 20 km event at the 2009 Pan American Race Walking Cup in San Salvador, El Salvador, with a time of 1:38:53. Spindler is a full-time member of Clube de Atletismo BM&F in São Paulo, being coached and trained by her husband Irineu de Oliveira.