Siddheshwar (disambiguation)

Siddheshwar was a 12th-century mystic and Kannada poet.

Siddheshwar may also refer to:
 * Shiva, a major Hindu god
 * Siddheshwar, Achham, a business center in Sanphebagar Municipality, Nepal
 * Siddheshwar, Bhojpur, a village development committee in Kosi Zone, Nepal
 * Siddheshwar, Baitadi, a village development committee, Mahakali Zone, Nepal
 * Siddheshwar, Palpa, a village development committee in Lumbini Zone, Nepal
 * Siddheshwar, Raigad, a small village in Maharashtra, India