Although tuna is not directly referenced in the Bible, fish in general are potent symbols throughout scripture. In the New Testament, fish signify abundance, divine provision, and the call to discipleship (Luke 5:1-11; John 21:1-14). Dreaming of catching a giant tuna may symbolize receiving a significant blessing, a new spiritual calling, or an unexpected opportunity for growth. A school of tuna could represent the unity and fellowship of the Christian community, echoing the early church's communal spirit. Consuming tuna in a dream might reflect partaking in God's provision and spiritual nourishment, reminiscent of the miraculous feedings (Matthew 14:13-21). Conversely, a tuna washed ashore could serve as a warning about spiritual dryness, isolation, or straying from one's divine purpose.

In Buddhist symbolism, fish represent happiness, freedom, and the ability to move freely through the ocean of suffering (samsara). Tuna, as swift and powerful fish, may indicate the practitioner's progress on the path to liberation, the overcoming of obstacles, or the cultivation of skillful means. Catching a tuna could symbolize attaining insight, breaking through delusion, or achieving a significant realization. Eating tuna may reflect the absorption of teachings, though mindful awareness of non-harm and compassion is essential. A beached tuna could warn of attachment, imbalance, or straying from the Middle Way. A school of tuna represents sangha (community) and the collective journey toward awakening.

Culturally, tuna are valued for their strength, speed, and as a vital source of sustenance in many coastal societies. In Japanese culture, for example, tuna is prized in cuisine and symbolizes prosperity, abundance, and good fortune. Dreaming of catching or eating tuna may reflect aspirations for success, nourishment, or social status. A tuna out of water could represent feeling out of place, disconnected from one's roots, or facing challenges in adapting to new environments. A school of tuna often symbolizes teamwork, community, and coordinated effort toward a shared goal.

In Hinduism, fish are associated with Matsya, the first avatar of Vishnu, symbolizing salvation, guidance, and the preservation of life during cosmic cycles. Tuna, as a large and powerful fish, may represent divine intervention, the emergence of latent spiritual power, or the call to fulfill one's dharma. Catching a tuna could signify the attainment of spiritual merit, the retrieval of lost wisdom, or a pivotal moment of guidance. Eating tuna may symbolize the assimilation of sacred knowledge or the nourishment of the soul. A tuna out of water might indicate a soul's disconnection from dharma, purpose, or spiritual roots. A school of tuna reflects the collective journey toward moksha (liberation) and the support of spiritual community.

In Islamic dream interpretation, fish are generally seen as symbols of sustenance, blessings, and hidden knowledge, as referenced in the Qur'an (Surah Al-Kahf 18:61-63, where a fish is a sign of guidance). Catching a large tuna may indicate the arrival of great rizq (provision), the uncovering of important truths, or the fulfillment of a long-awaited prayer. Eating tuna can signify lawful sustenance, spiritual fulfillment, and gratitude for Allah's bounty. A tuna washed ashore could serve as a warning about losing one's way, missing out on blessings, or neglecting spiritual obligations. A school of tuna may represent the strength and harmony of the ummah (community) moving together toward a common goal.

From a Jungian perspective, fish are archetypal symbols of the unconscious and instinctual drives. Tuna, being strong, fast, and migratory, may represent powerful, dynamic energies or desires surfacing from the depths of the psyche. Catching a tuna could symbolize the successful integration of these energies into conscious awareness, leading to personal growth or transformation. Eating tuna reflects the assimilation of new experiences, emotional nourishment, or the acceptance of previously repressed aspects of the self. A tuna out of water may indicate feelings of alienation, loss of vitality, or being out of one's element. A school of tuna suggests the individual's longing for belonging, collective action, or the need to synchronize with others.

Spiritually, tuna can be seen as messengers from the depths, representing intuition, adaptability, and the flow of life energy. Catching a tuna may symbolize a breakthrough in spiritual growth, the retrieval of hidden wisdom, or the embrace of one's true nature. Eating tuna could denote the absorption of spiritual insight, integration of lessons, or deepening of inner nourishment. A tuna stranded on land might signal a disconnect from one's spiritual source, stagnation, or a call to realign with one's higher self. A school of tuna embodies the harmony and synergy of collective spiritual journeys, emphasizing the importance of community on the path.