The April-June result beat the T$56.5 billion mean estimate of 21 analysts polled by Reuters.
The figure also compared with net profit of NT$51.8 billion in the same three months of 2013 and T$47.9 billion in the first quarter of this year.
TSMC previously reported record quarterly revenue for April-June of T$183 billion. Shares of TSMC fell 1.88 percent ahead of the earnings release, versus a 0.88 percent fall in the broader TAIEX index.